Babies thru Teens Mods

This list is extensive, apologies in advance for the length of this post.
If there’s something specific you’re looking for, use Ctrl-F and enter a keyword in the Find field (example: toddler).

As always, check for mod conflicts.

Some game mods created for the Sims 3 younger set, by creator:

Arsil
Do Homework With
http://modthesims.info/download.php?t=580593
Napping Mat
http://sims3.modthesims.info/download.php?t=593159
Toddlers Extra Activities
http://modthesims.info/download.php?t=593434

bluegenjutsu (free registration/login required to view and download)
Baby Monitor-100% Chance that Two Toddlers Play Together
http://simsasylum.com/tfm/index.php?/topic/6028-baby-monitor-100-percent-chance-that-two-toddlers-play-together-requires-having-ea-store-baby-monitor-installed/
Baby Swing Lasts Longer-Motives Increase Faster
http://simsasylum.com/tfm/index.php?/topic/8275-baby-swing-lasts-longer-motives-increase-faster-requires-ea-stores-baby-swing-object/
Bonehilda Leave the Toddlers Alone + Leave the Pets Alone (2 mods)
http://simsasylum.com/tfm/index.php?/topic/3837-bonehilda-leave-the-toddlers-and-pets-alone-requires-supernatural-ep/
Buy All Books/Read Books Faster/Children Can Read Skillbooks (multiple versions)
http://simsasylum.com/tfm/index.php?/topic/499-buy-all-booksread-books-fasterchildren-can-read-skillbooks-update-7-30-14/
Children Can Bake Fortune Cookies
http://simsasylum.com/tfm/index.php?/topic/327-children-can-bake-fortune-cookies-requires-world-adventures-ep/
Children Can Do Laundry
http://simsasylum.com/tfm/index.php?/topic/9084-children-can-do-laundry-requires-ambitions-ep/
Children Can Make Nectar + Children Can Use Nectar Racks (2 mods)
http://simsasylum.com/tfm/index.php?/topic/326-children-can-make-nectar-requires-world-adventures-ep/
Children Can Order Food and Items from Registers
http://simsasylum.com/tfm/index.php?/topic/386-children-can-order-food-and-items-from-the-registers-requires-wa-andor-ambitions-eps/
Children Can Order Food from the Bar
http://simsasylum.com/tfm/index.php?/topic/388-children-can-order-food-from-the-bar-requires-late-night-ep/
Less Teen Mood Swings
http://simsasylum.com/tfm/index.php?/topic/8627-less-teen-mood-swings-requires-generations-ep/
More Romantic Autonomy for Your Sims (some versions include teens)
http://simsasylum.com/tfm/index.php?/topic/562-more-romantic-autonomy-for-your-sims-requires-certain-eps-for-some-interactionsobjects-update-6-9-15/
No Autonomous Attack With the Claw
http://simsasylum.com/tfm/index.php?/topic/210-no-autonomous-attack-with-the-claw-requires-generations-ep/
No Autonomous Check Under the Bed for Monsters
http://simsasylum.com/tfm/index.php?/topic/3712-no-autonomous-check-under-the-bed-for-monsters-requires-supernatural-ep/
Ping Pong No Hygiene Loss/Juice Pong Teens and Pregnant Sims Allowed/Both More Fun
http://simsasylum.com/tfm/index.php?/topic/5792-ping-pong-no-hygiene-lossjuice-pong-teens-and-pregnant-sims-allowedboth-more-fun-requires-university-ep-update-7-30-14/
Read Toddler Books Faster
http://simsasylum.com/tfm/index.php?/topic/4675-read-toddler-books-faster/
Slippy Slide Less Attractive or No Autonomous or Children Only
http://simsasylum.com/tfm/index.php?/topic/396-slippy-slide-less-attractive-or-no-autonomous-or-children-only-requires-generations-ep/
Toddlers Can Turn On and Off the Stereos
http://simsasylum.com/tfm/index.php?/topic/3397-toddlers-can-turn-on-and-off-the-stereos/
Toddlers Don’t Toss Food Bowls Off Their High Chairs
http://simsasylum.com/tfm/index.php?/topic/8188-toddlers-dont-toss-food-bowls-off-their-high-chairs/

Buzzler
Baby Swing Tuning-Non Cheaty and No Autonomous Change Swing State
http://sims3.modthesims.info/download.php?t=468868

CatMuto
No Autonomous Graduation
http://sims3.modthesims.info/download.php?t=599331

champslessims
No Autonomous Pranks
http://sims3.modthesims.info/download.php?t=577702

Chicken0895 (free registration/login required to view and download)
No Autonomous Put in Crib
http://simsasylum.com/tfm/index.php?/topic/7930-no-autonomous-put-in-crib/
Unlocked Child/Teen LTR and Traits
http://simsasylum.com/tfm/index.php?/topic/7939-unlocked-childteen-ltr-and-traits/

claudiasharon
Toddler Interactions Mod
http://claudiasharon.tumblr.com/post/90376754097/toddler-interactions-mod

daluved1
White Formula Default Replacement Bottle
http://sims3.modthesims.info/download.php?t=391044

Danjaley
(Almost) No Trick or Treat-Now with More T&T Flavors
http://sims3.modthesims.info/download.php?t=540807

icarus_allsorts
User-Directed Scolding + Other Punishment Tweaks
http://sims3.modthesims.info/download.php?t=533906

JunJayMdM
No Autonomous ‘Watch TV’ While Carrying a Baby (infant/toddler)
http://sims3.modthesims.info/download.php?t=475523

JustAnotherSimsFan-JASF (free registration/login required to view and download)
Children Can Use the Archery Range
http://simsasylum.com/tfm/index.php?/topic/7092-children-can-use-the-archery-range-requires-the-archers-gauntlet/
No Autonomous Imaginary Joy Ride
http://simsasylum.com/tfm/index.php?/topic/6867-no-autonomous-imaginary-joyride-requires-generations/

kapaer
‘No Stretch’ Children Can Series (16 ‘children can’ files to choose from)
http://sims3.modthesims.info/download.php?t=579548

Madam Doofie
Minimum Wage/More Realistic Earnings, Higher Tuition, Higher Boarding School Costs, Higher Grant Money (multiple flavors, choose what you like)
http://www.modthesims.info/download.php?t=490587

mikey
Better Sleeping Babies and Toddlers
http://sims3.modthesims.info/download.php?t=519354
No Auto Make Processed Baby Food
http://sims3.modthesims.info/download.php?t=386355

Nona Mena
Breastfeeding Mod v11 (plus additional optional tuning flavors)
http://www.simlogical.com/ContentUploadsRemote/uploads/1062/
Child Can Use Collection Helper Reward
http://www.simlogical.com/ContentUploadsRemote/uploads/1101/
Children Can Use ‘Not So Routine Machine’-Teleport Works 100% (3 flavors)
http://www.simlogical.com/ContentUploadsRemote/uploads/1100/
Dirty No More Changing and Bathing Station Tweaks (2 flavors)
http://www.simlogical.com/ContentUploadsRemote/uploads/1708/
Don’t Put the Baby Down (Changing Table Mod)
http://www.simlogical.com/ContentUploadsRemote/uploads/2192/
Extra Credit Homework v4
http://www.simlogical.com/ContentUploadsRemote/uploads/1680/
Fix for Walker and Playpen Reset Bug v2
http://www.simlogical.com/ContentUploadsRemote/uploads/2415/
Horse Mod: Child and Pregnant Sims Can Mount Horse (3 flavors)
http://www.simlogical.com/ContentUploadsRemote/uploads/1106/
Stroller Tweak: No Energy Stroll for Toddlers
http://www.simlogical.com/ContentUploadsRemote/uploads/1134/

OneEuroMutt
Children Mods –
No Social Worker (toddlers and children will not be taken away)
Children Can Make Snacks in Microwaves
Neat Trait Clean House (children who have neat trait can use ‘clean house’)
Practice Speech Mirror (children can practice speech in the mirror for charisma gain)
Magic Mirror (children can use Magic Mirror and gain charisma)
Photos-Smart Phone (children can take pictures with cellphone)
Chess (children can play chess with Grim, call over chess opponent, challenge)
Hack (children can hack on computers, hack with someone, and earn money)
Post on Forum (children can troll and make inappropriate posts on computers)
Solve Hard Problems (children can Solve the Unsolvable, earn logic, earn money on computers)
Mermaid Eat (child mermaids can eat raw fish food too)
Conjure Apple+Conjure Apple No Auto. (child witches can conjure apples, 2 flavors)
Feed Cow Plant (children can feed cow plant a swordfish)
Teen Mods –
Start Band (teens can form bands)
Play Teen (teens can play on playground, sandboxes, tree house)
Teen Professions (experimental-teens can have more jobs)
Air Guitar (teens thru elders can be directed to play air guitar if they have certain traits)
http://oneeuromutt.tumblr.com/post/88422268231/kids-and-teens-mods

Sarah Sims
Auto Sit Watch TV Holding Baby/Toddler
https://simsarahsarah.tumblr.com/tagged/download

Shimrod101 (free registration/login required to view and download)
Bakery Mods (multiple versions, including Bakery Child Can Purchase, and Bakery Combo Child)
http://simsasylum.com/tfm/index.php?/topic/8855-bakery-mods/
Baking Report Enabled (allows Teens + YA, Adults, Elders to read the Baking Report)
http://simsasylum.com/tfm/index.php?/topic/2814-baking-report-enabled/
Fab Family (increases relationships between family members when created in CAS and when a child is adopted)
http://simsasylum.com/tfm/index.php?/topic/2809-fab-family/
Friendly and Teen WooHoo Ask if Single and Sign
http://simsasylum.com/tfm/index.php?/topic/2795-friendly-teen-woohoo-ask-if-single-sign/
Medical Emergency Panic Child Fixer
http://simsasylum.com/tfm/index.php?/topic/2804-medical-emergency-panic-child-fixer/
Power Peg Box + Power Turtle (blocks activity table): Motives Rechargers
http://simsasylum.com/tfm/index.php?/topic/2773-power-peg-box-power-turtle-motives-rechargers/
Prom No Romance Events
http://simsasylum.com/tfm/index.php?/topic/3260-prom-no-romance-events/
Toddler Nosepicking Animation Replaced
http://simsasylum.com/tfm/index.php?/topic/2962-toddler-nosepicking-anim-replaced/

Twoftmama (free registration/login required to view and download)
Additional Traits for Babies
http://simsasylum.com/tfm/index.php?/topic/8566-additional-traits-for-babies-v16-2-flavors-updated-february-2-2014/
Autonomous Host Tea Party
http://simsasylum.com/tfm/index.php?/topic/3142-autonomous-host-tea-party-gen-posted-august-6-2012/
Autonomous Play on Furniture (3 flavors)
http://simsasylum.com/tfm/index.php?/topic/913-autonomous-play-on-furniture-gen-3-flavors-updated-october-31-2011/
Autonomous Play with Teddy (2 flavors)
http://simsasylum.com/tfm/index.php?/topic/1549-autonomous-play-with-teddy-2-flavors-new-flavor-posted-posted-may-6-2012/
Autonomous Potty Training v2
http://simsasylum.com/tfm/index.php?/topic/7846-autonomous-potty-training-v2-posted-october-24-2012/
Autonomous Pranking Mods (3 flavors)
http://simsasylum.com/tfm/index.php?/topic/5390-autonomous-pranking-mods-gen-3-flavors-updated-february-24-2013/
Autonomous Read to Sleep Mods (2 flavors)
http://simsasylum.com/tfm/index.php?/topic/8101-autonomous-read-to-sleep-mods-gen-2-flavors-updated-november-25-2013/
Autonomous Sleeping in Treehouse Mods (2 flavors)
http://simsasylum.com/tfm/index.php?/topic/921-autonomous-sleeping-in-treehouse-mods-gen-2-flavors-posted-june-20-2011/
Autonomous Teach to Talk (2 flavors)
http://simsasylum.com/tfm/index.php?/topic/11672-autonomous-teach-to-talk-2-flavors-posted-june-5-2016/
Autonomous Teach to Walk (2 flavors)
http://simsasylum.com/tfm/index.php?/topic/11673-autonomous-teach-to-walk-2-flavors-posted-june-5-2016/
Better Bake Sale Table v3
http://simsasylum.com/tfm/index.php?/topic/924-better-bake-sale-table-v3-amb-updated-october-27-2011/
Better Grades v2
http://simsasylum.com/tfm/index.php?/topic/312-better-grades-v2-posted-may-31-2011/
Bottomless Potty
http://simsasylum.com/tfm/index.php?/topic/318-bottomless-potty-posted-june-18-2011/
Child and Teen Only Pillow Fight v3 (2 flavors)
http://simsasylum.com/tfm/index.php?/topic/3772-child-and-teen-only-pillow-fight-v3-gen-2-flavors-updated-september-24-2012/
Children Can Break Boards (4 flavors)
http://simsasylum.com/tfm/index.php?/topic/931-children-can-break-boards-wa-4-flavors-updated-november-4-2011/
Children Can Play Guitar (3 flavors)
http://simsasylum.com/tfm/index.php?/topic/8202-children-can-play-guitar-3-flavors-updated-december-10-2013/
Children Can Use Food Replicator v2
http://simsasylum.com/tfm/index.php?/topic/514-children-can-use-food-replicator-v2-posted-june-1-2011/
Children Can Use the Rock Wall Mods (5 flavors)
http://simsasylum.com/tfm/index.php?/topic/1548-children-can-use-the-rock-wall-mods-5-flavors-new-flavor-posted-april-27-2012/
Children Can Use Training Dummy v3 (4 flavors)
http://simsasylum.com/tfm/index.php?/topic/935-children-can-use-training-dummy-v3-wa-4-flavors-updated-november-6-2011/
Children Can’t Workout (2 flavors)
http://simsasylum.com/tfm/index.php?/topic/6251-children-cant-workout-2-flavors-flavor-updated-updated-june-16-2014/
Children Play with Toddlers Peg Box v4 (allows children to interact with toddlers using the peg box)
http://simsasylum.com/tfm/index.php?/topic/9116-children-play-with-toddlers-peg-box-v4-updated-june-20-2014/
Children Play with Toddlers Xylophone v4 (allows children to interact with toddlers using the xylophone)
http://simsasylum.com/tfm/index.php?/topic/9117-children-play-with-toddlers-xylophone-v4-updated-june-20-2014/
Curfew Mods (4 flavors)
http://simsasylum.com/tfm/index.php?/topic/7861-curfew-mods-4-flavors-updated-october-26-2013/
Different Days for Scouts
http://simsasylum.com/tfm/index.php?/topic/940-different-days-for-scouts-gen-posted-june-20-2011/
Elder Babysitters v5 (2 flavors)
http://simsasylum.com/tfm/index.php?/topic/8445-elder-babysitters-v5-2-flavors-updated-january-13-2014/
Faster Homework 30 Minutes v2
http://simsasylum.com/tfm/index.php?/topic/3590-faster-homework-30-minutes-v2-updated-september-14-2012/
Faster Learn to Drive v2
http://simsasylum.com/tfm/index.php?/topic/5581-faster-learn-to-drive-v2-gen-updated-march-12-2013/
Faster Toddler Training v5 (4 flavors)
http://simsasylum.com/tfm/index.php?/topic/7872-faster-toddler-training-v5-4-flavors-updated-october-28-2013/
Harder Grades
http://simsasylum.com/tfm/index.php?/topic/709-harder-grades-posted-november-9-2011/
Homework Mods (2 flavors)
http://simsasylum.com/tfm/index.php?/topic/8206-homework-mods-2-flavors-updated-december-10-2013/
Less Autonomous Play with Imaginary Friend Doll v2
http://simsasylum.com/tfm/index.php?/topic/915-less-autonomous-play-with-imaginary-friend-doll-v2-gen-updated-october-31-2011/
Less Autonomous Watch Baby Swing
http://simsasylum.com/tfm/index.php?/topic/2523-less-autonomous-watch-baby-swing-posted-june-9-2012/
No After School Socializing v2 (2 flavors)
http://simsasylum.com/tfm/index.php?/topic/737-no-after-school-socializing-v2-2-flavors-posted-june-5-2011/
No Autonomous Read to Toddler v3
http://simsasylum.com/tfm/index.php?/topic/3627-no-autonomous-read-to-toddler-v3-updated-september-17-2012/
No Autonomous Take Child Out of Swing
http://simsasylum.com/tfm/index.php?/topic/7828-no-autonomous-take-child-out-of-swing-posted-october-23-2013/
No Autonomous Turn On Swing
http://simsasylum.com/tfm/index.php?/topic/1654-no-autonomous-turn-on-swing-posted-february-26-2012/
No Autonomous Watch Baby Swing
http://simsasylum.com/tfm/index.php?/topic/2524-no-autonomous-watch-baby-swing-posted-june-9-2012/
No Imaginary Friends
http://simsasylum.com/tfm/index.php?/topic/1591-no-imaginary-friends-gen-posted-february-16-2012/
No Tag Period v12
http://simsasylum.com/tfm/index.php?/topic/10089-no-tag-period-v12-updated-october-24-2014/
Play with Sprinklers Allow Child and Teen Only v5
http://simsasylum.com/tfm/index.php?/topic/6656-play-with-sprinklers-allow-child-and-teen-only-v5-updated-june-24-2013/
Play with Sprinklers Allow Child Only v5
http://simsasylum.com/tfm/index.php?/topic/6655-play-with-sprinklers-allow-child-only-v5-updated-june-24-2013/
Scolding Tweaks (4 flavors)
http://simsasylum.com/tfm/index.php?/topic/1003-scolding-tweaks-gen-4-flavors-new-flavor-posted-december-8-2011/
Slower Imaginary Friend Relationship Drop
http://simsasylum.com/tfm/index.php?/topic/1936-slower-imaginary-friend-relationship-drop-gen-posted-april-5-2012/
Stay Up Later at Slumber Parties
http://simsasylum.com/tfm/index.php?/topic/1007-stay-up-later-at-slumber-parties-gen-posted-june-20-2011/
Teens Can Take Unpaid Days Off v3
http://simsasylum.com/tfm/index.php?/topic/5492-teens-can-take-unpaid-days-off-v3-updated-march-4-2013/
Toddlers Can Open Bookshelves Mod v4
http://simsasylum.com/tfm/index.php?/topic/898-toddlers-can-open-bookshelves-mod-v4-posted-june-3-2011/
Toddlers Sleep with No Social Decay (2 flavors)
http://simsasylum.com/tfm/index.php?/topic/2187-toddlers-sleep-with-no-social-decay-2-flavors-flavor-updated-november-5-2013/
Young Adult Babysitter Mods (2 flavors)
http://simsasylum.com/tfm/index.php?/topic/8451-young-adult-babysitter-mods-2-flavors-updated-january-13-2014/

UndeadLurker
Realistic Child Cooking Skills (3 flavors)
http://sims3.modthesims.info/download.php?t=556433