Slime Gifts for Kids Ages 9-12

Slime is part science experiment, part sensory fidget, and kids this age love tweaking the texture until it's exactly right. Gifts land best when they let them create their own batches, add color, glitter, or scents, and keep the results fresh. Expect some mess, so a good setup matters as much as the slime itself.

Updated October 14, 2026 · Picks refresh weekly from what's selling now

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Elmer's Color Rush Slime Kit
Creative

1.Elmer's Color Rush Slime Kit

Washable Elmer's glue and activator let kids make color-changing, glow-in-the-dark and butter slime from a trusted slime brand.

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National Geographic Mega Slime Kit and Putty Lab
Creative

2.National Geographic Mega Slime Kit and Putty Lab

Four slimes and four putties, including magnetic putty, come with storage tins so slime fans can mix, compare and keep their creations.

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Thames & Kosmos Ooze Labs: Slime Lab
STEM

3.Thames & Kosmos Ooze Labs: Slime Lab

Kids play lead chemist, mixing four slimes and testing them to tell them apart, so slime time doubles as real science.

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Zen Laboratory Ultimate Slime Kit
Creative

4.Zen Laboratory Ultimate Slime Kit

A complete all-in-one slime-making set with plenty of textures and add-ins, so a slime-obsessed tween can experiment for hours.

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Original Stationery Ice Cream Slime Kit
Creative

5.Original Stationery Ice Cream Slime Kit

A 31-piece DIY set makes cherry-scented ice cream slime with sprinkles and toppings, a sweet craft for ages 8-12.

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National Geographic Gross Science Kit
STEM

6.National Geographic Gross Science Kit

Slime making plus brain dissection and 45 gross experiments suit kids who love messy, creepy hands-on science.

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FunKidz 33 Cups Jumbo Slime Kit
Creative

7.FunKidz 33 Cups Jumbo Slime Kit

Premade cloud, clear, butter, glitter and glow slimes in 33 cups give a big variety to stretch, mix and decorate right away.

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Steve Spangler Science String Slime Deluxe Kit
STEM

8.Steve Spangler Science String Slime Deluxe Kit

A science-teacher brand's kit makes stringy slime in four colors, a fun twist for kids who have already made classic slime.

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Original Stationery Galaxy Slime Kit
Creative

9.Original Stationery Galaxy Slime Kit

Glittery pink, purple and blue slime with glow-in-the-dark stickers lets space-loving kids craft their own cosmic slime.

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Discovery Planet Earth Science Kit
STEM

10.Discovery Planet Earth Science Kit

Slime and lava slime sit alongside a DIY volcano, crystals and fossils, a good mix for curious kids who like to experiment.

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BYONEBYE 126-Piece DIY Slime Making Kit
Creative

11.BYONEBYE 126-Piece DIY Slime Making Kit

Ready-made slimes in many colors with glow powder and add-ins give kids lots to mix, swap and share at a slime party.

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FunKidz Ice Cream Butter Slime Kit
Creative

12.FunKidz Ice Cream Butter Slime Kit

Illustrated steps walk ages 8-12 through soft ice cream butter slime, with the accessories included for decorating.

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What to know before buying slime gifts

  • Decide between ready-made slime and a make-your-own kit. Kits tend to hold this age group's interest longer because kids mix, color, and adjust the texture themselves.
  • Check ingredient labels and age ratings. Some homemade recipes call for borax, so look for kits labeled non-toxic and keep slime away from mouths, pets, and younger siblings.
  • Plan for the mess with a washable mat or tray and airtight containers, since slime dries out and sticks to carpet and hair.
  • Add-ons like glitter, foam beads, scents, and mix-in charms extend the fun after the first batch is used up.

Frequently asked questions

Is slime safe for 10-year-olds?

Slime labeled for kids and non-toxic is generally fine for this age, but it shouldn't be eaten or held near the face. Wash hands afterward and watch for skin sensitivity. Homemade recipes with borax or contact lens solution call for adult supervision.

How do you keep slime from drying out?

Store it in an airtight container right after playing, and keep it out of sun and heat. A few drops of water or a bit of lotion can revive stiff slime, though results vary by type. Wash hands before playing, since dirt and hair shorten its life.

What should I get a kid who loves slime?

Make-your-own kits, extra mix-ins like glitter and foam beads, and airtight storage containers are all safe bets. Kids this age enjoy experimenting, so variety beats volume. Many people spend $15-$30 on a slime gift, and a mat for the mess is a thoughtful add-on.