4.5★ ON TRUSTPILOT · FREE GIFT REGISTRY · 30-DAY RETURNS

STEM & Activity Kits

Hands-on project kits kids actually finish. STEM and activity kits that swap screen time for building, experimenting, painting and growing — motorised wooden models and buildable robots, science kits, craft and paint-your-own projects, marble runs and grow-your-own gardens. Sorted by what your child is into, not by shelf. Browse STEM toys & build kits, building toys and craft kits.

Compare (0/5)

892 products

3 Triangles Disentanglement Puzzle

Kubiya Games

Mechanical Puzzles

3 Triangles Disentanglement Puzzle

$15.00
Elf Feet Christmas Table Runner Precut Quilt Kit
trending

Block Party Quilt Co

Needlecraft Kits

Elf Feet Christmas Table Runner Precut Quilt Kit

★★★★★ (30)
$53.00 $54.95
Watercolor Travel Set | Bamboo Case, Brushes, & Paper Pad
new

elseware unplug

Drawing & Painting Kits

Watercolor Travel Set | Bamboo Case, Brushes, & Paper Pad

$56.99
Finger Paint - Long Lasting, Shelf Stable Non-toxic
new

elseware unplug

Drawing & Painting Kits

Finger Paint - Long Lasting, Shelf Stable Non-toxic

$19.99
New! Garden Jars - Organic Herbs
trending

Modern Sprout

Herb Growing Kits

New! Garden Jars - Organic Herbs

★★★★★ (7)
From $22.00
Travel Pals - Kitty magnetic Wooden Blocks 6 Pieces

Tegu

Magnetic Blocks

Travel Pals - Kitty magnetic Wooden Blocks 6 Pieces

$27.00
Pocket Pouch Prism magnetic Wooden Blocks 6 Pieces
trending

Tegu

Magnetic Blocks

Pocket Pouch Prism magnetic Wooden Blocks 6 Pieces

$28.00
JackInTheBox 6-in-1 Space Explorer

Jack In The Box

Craft Kits

JackInTheBox 6-in-1 Space Explorer

$29.99
Kid Made Modern New Years Eve Party Kit Crafts

Kid Made Modern

Craft Kits

New Years Eve Party Kit

$37.00
Kid Made Modern DIY Ornament Kits - Gingerbread Man Craft

Kid Made Modern

Craft Kits

DIY Ornament Kits - Gingerbread Man

$15.99
Building Blocks (50 Pieces)
trending

Speedy Monkey

Building Toys

Building Blocks (50 Pieces)

$28.00
Whirly Gears Building Set

Discovery Toys

Construction Set Toys

Whirly Gears Building Set

$42.00
$0.00
28 Pcs Mini Curved Natural Wooden Building Blocks With Storage Tray

Green Elephant Home and Toys

Building Sets

28 Pcs Mini Curved Natural Wooden Building Blocks With Storage Tray

$32.00
Hex Connect Building Toy Set
trending

Mushie

Building Toys

Hex Connect Building Toy Set

$16.99
Kid Made Modern On-The-Go Drawing Kit Art Kit

Kid Made Modern

Art Kits

On-The-Go Drawing Kit

$17.00
Ultimate Pottery Bundle
trending

Sculpd

Art & Craft Kits

Ultimate Pottery Bundle

$119.00 $155.00
Tiny Bookshop Craft Kit

Make It Cute, LLC

Art & Craft Kits

Tiny Bookshop Craft Kit

★★★★★ (4)
$21.00
Hand-Carved Cat Painting Kit — Paint Two Cats, Make a Keychain

Kitsville

Art & Craft Kits

Hand-Carved Cat Painting Kit — Paint Two Cats, Make a Keychain

★★★★★ (2)
$24.00