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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.

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900 products

Complimentary Colors Grow Kits
trending

Modern Sprout

Plant Growing Kits

Complimentary Colors Grow Kits

★★★★★ (2)
From $11.00
50 Pcs Rainbow Crystal Clear Translucent Rectangular Lucite Building Blocks Set With Storage Tray

Green Elephant Home and Toys

Building Toys

50 Pcs Rainbow Crystal Clear Translucent Rectangular Lucite Building Blocks Set With Storage Tray

$75.00
12 Pcs Stained Stepped Roofs Building Blocks In Primary Rainbow Colors

Green Elephant Home and Toys

Building Sets

12 Pcs Stained Stepped Roofs Building Blocks In Primary Rainbow Colors

$28.00
12 Pcs Stained Stepped Roofs Building Blocks In Pastel/macaron Colors

Green Elephant Home and Toys

Building Toys

12 Pcs Stained Stepped Roofs Building Blocks In Pastel/macaron Colors

$28.00
Neon Kids, Houses & Trees 6 Pack

dëna

Building Sets

Neon Kids, Houses & Trees 6 Pack

$74.99
Easel Does It Extra Paper Roll

Wonder and Wise

Art & Craft Kits

Easel Does It Extra Paper Roll

$8.00
Science & Exploration Set

Storypod

Science & Exploration Sets

Science & Exploration Set

$89.99
Terra Kids Catamaran Diy Activity Kit
trending

HABA

Toy Craft Kits

Terra Kids Catamaran Diy Activity Kit

$33.00
T-Rex Robot STEM Kit — Build a Walking Dinosaur

Kitsville

STEM Toys

T-Rex Robot STEM Kit — Build a Walking Dinosaur

★★★★★ (27)
$15.99
Paddlewheel Boat STEM Kit — Build a Boat That Really Floats

Kitsville

STEM Toys

Paddlewheel Boat STEM Kit — Build a Boat That Really Floats

★★★★★ (13)
$15.99
Rubber Band Launcher STEM Kit — Build a Wooden Launcher

Kitsville

STEM Toys

Rubber Band Launcher STEM Kit — Build a Wooden Launcher

★★★★★ (7)
$24.00
Infrared RC Car STEM Kit — Build a Remote-Control Racer

Kitsville

STEM Toys

Infrared RC Car STEM Kit — Build a Remote-Control Racer

★★★★★ (4)
$16.00
Steering RC Car STEM Kit — Build a Remote-Control Car

Kitsville

STEM Toys

Steering RC Car STEM Kit — Build a Remote-Control Car

★★★★★ (10)
$28.00
Gear Toy
trending

Speedy Monkey

Wooden Toy Craft Kits

Gear Toy

$24.99
Voice Recorder STEM Kit — Record 60 Seconds of Sound

Kitsville

STEM Toys

Voice Recorder STEM Kit — Record 60 Seconds of Sound

★★★★★ (4)
$21.00
Terra Kids Magnifier
trending

HABA

Science Kits

Terra Kids Magnifier

$24.00
Mr & Mrs Tin Ripple Bot

Mr & Mrs Tin

Robot Toys

Mr & Mrs Tin Ripple Bot

$39.99
Witches Feet Table Runner Precut Quilt Kit

Block Party Quilt Co

Needlecraft Kits

Witches Feet Table Runner Precut Quilt Kit

★★★★★ (27)
$53.00 $54.95
Bapronbaby 18pc Magnetic Blocks (ages 3+)
trending

Bapron Baby

Magnetic Blocks

Bapronbaby 18pc Magnetic Blocks (ages 3+)

From $13.00 $29.98
Marbleworks Grand Prix Racing Marble Run

Discovery Toys

Marble Runs

Marbleworks Grand Prix Racing Marble Run

$66.50
$0.00
Travel Pals - Whale magnetic Wooden Blocks 6 Pieces

Tegu

Magnetic Blocks

Travel Pals - Whale magnetic Wooden Blocks 6 Pieces

$27.00