Best-Selling Science Kits & STEM Toys | KiwiCo

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Experience fan-favorite crates

77 Results

Most loved

Christmas Village Advent Calendar image

Christmas Village Advent Calendar

4.9

Price: $49.95

Most loved

Christmas Candle Carousel image

Christmas Candle Carousel

From

Kiwi Crate

4.9

Price: $34.95

Most loved

Santa's Railroad Advent Calendar image

Santa's Railroad Advent Calendar

4.9

Price: $49.95

Most loved

Ice Skating Rink image

Ice Skating Rink

From

Kiwi Crate

4.7

Price: $34.95

Winter Wonderland Advent Calendar image

Winter Wonderland Advent Calendar

5.0

Price: $99.95

Motorized Christmas Train Advent Calendar image

Motorized Christmas Train Advent Calendar

4.9

Price: $74.95

Most loved

Marble Roller Coaster image

Marble Roller Coaster

4.9

Price: $49.95

Wind Play Lab image

Wind Play Lab

4.9

Price: $49.95

Chain Reaction Workshop image

Chain Reaction Workshop

4.8

Price: $69.95

Most loved

Science of Cooking: Ice Cream image

Science of Cooking: Ice Cream

4.8

Price: $34.95

Build & Play Chess Set image

Build & Play Chess Set

5.0

Price: $59.95

Most loved

Walking Robot image

Walking Robot

4.8

Price: $24.95

Most loved

Santa's Sleigh Automaton image

Santa's Sleigh Automaton

From

Kiwi Crate

4.8

Price: $29.95

3-pack

STEM Holiday Bundle (3-Pack) image

STEM Holiday Bundle (3-Pack)

4.8

Price: $79.95($94.85 value)

Pixel Art Lightbox image

Pixel Art Lightbox

5.0

Price: $34.95

Kinetic Light-Up Speaker image

Kinetic Light-Up Speaker

5.0

Price: $49.95

2-pack

Advent Calendar Bundle (2-Pack) image

Advent Calendar Bundle (2-Pack)

5.0

Price: $84.95($99.90 value)

Limited stock

Light Play Lab image

Light Play Lab

5.0

Price: $49.95

Most loved

Veterinarian Starter Kit image

Veterinarian Starter Kit

4.9

Price: $29.95

Pendulum Art Machine image

Pendulum Art Machine

5.0

Price: $49.95

Marble Run + Art Easel image

Marble Run + Art Easel

4.7

Original Price: $149.95, Discount price: $130.45 13% off

Cozy Glowing Fireplace image

Cozy Glowing Fireplace

5.0

Price: $29.95

Peek-a-Zoo Puzzle Box image

Peek-a-Zoo Puzzle Box

From

Panda Crate

4.7

Price: $59.95

Most loved

Pinball Machine image

Pinball Machine

4.8

Price: $24.95

Most loved

Cannonball Launcher image

Cannonball Launcher

4.7

Price: $19.95

Animal Bath Bombs image

Animal Bath Bombs

4.6

Price: $19.95

Astronaut Starter Kit image

Astronaut Starter Kit

From

Kiwi Crate

5.0

Price: $29.95

2-pack

Santa and Snowman Wobbler (2-Pack) image

Santa and Snowman Wobbler (2-Pack)

4.8

Price: $26.95($29.90 value)

Fun Dough Pasta Maker image

Fun Dough Pasta Maker

4.9

Price: $49.95

Civil Engineer Starter Kit image

Civil Engineer Starter Kit

5.0

Price: $29.95

Speedy Race Cars image

Speedy Race Cars

4.5

Price: $16.95

Robot Coder Starter Kit image

Robot Coder Starter Kit

4.9

Price: $29.95

Motorized Spin Art image

Motorized Spin Art

From

Kiwi Crate

4.9

From $24

See full details →

Pop-Up Shape Sorter Puzzle image

Pop-Up Shape Sorter Puzzle

From

Panda Crate

5.0

Price: $54.95

Planet Bath Bombs image

Planet Bath Bombs

4.6

Price: $24.95

Giant Bubbles image

Giant Bubbles

4.9

Price: $14.95

Geologist Starter Kit image

Geologist Starter Kit

From

Kiwi Crate

5.0

Price: $29.95

Froggie Dissection Lab image

Froggie Dissection Lab

4.8

Price: $29.95

Marine Biologist Starter Kit image

Marine Biologist Starter Kit

From

Kiwi Crate

4.9

Price: $29.95

Sensory Sand Shaved Ice Maker image

Sensory Sand Shaved Ice Maker

5.0

Price: $49.95

Sensory Solar System Set image

Sensory Solar System Set

5.0

Price: $59.95

Magnetic Car Set image

Magnetic Car Set

5.0

Price: $39.95

My First Puzzle Books Box Set image

My First Puzzle Books Box Set

Price: $39.95

Most loved

Colorful Chemistry image

Colorful Chemistry

From

Koala Crate

4.8

Price: $29.95

Basketball Catapult image

Basketball Catapult

5.0

Price: $24.95

Easy-Squeezy Juicer image

Easy-Squeezy Juicer

5.0

Price: $49.95

Construction Excavator Costume image

Construction Excavator Costume

4.7

Price: $29.95

Rainbow Blocks and Cars Building Set image

Rainbow Blocks and Cars Building Set

5.0

Price: $79.95

3-pack

Pretend Play + Early Math Bundle (3-Pack) image

Pretend Play + Early Math Bundle (3-Pack)

Price: $124.95($149.85 value)

Limited stock

Walking Monster image

Walking Monster

5.0

Price: $24.95

Solar Crayon Recycler image

Solar Crayon Recycler

4.9

Price: $19.95

Science of Cooking: Mini Cakes image

Science of Cooking: Mini Cakes

5.0

Price: $34.95

Paper Dolls image

Paper Dolls

5.0

Price: $19.95

Splash Blasters image

Splash Blasters

4.8

Price: $9.95

Fishing Game image

Fishing Game

4.6

Price: $24.95

Biology Blocks Shape Sorter image

Biology Blocks Shape Sorter

4.6

Price: $39.95

Fold & Play Fliers image

Fold & Play Fliers

5.0

Price: $9.95

Over Under Opposite image

Over Under Opposite

5.0

Price: $14.95

Birds Have A Lot To Say image

Birds Have A Lot To Say

5.0

Price: $15.95

Kellan Plushie Book Set image

Kellan Plushie Book Set

Price: $50.95($59.80 value)

The A-MAZE-ing Seasons: A follow-your-finger book! image

The A-MAZE-ing Seasons: A follow-your-finger book!

5.0

Price: $12.95

Poppy Plushie Book Set image

Poppy Plushie Book Set

Price: $45.95($53.80 value)

Chop Chop! Yum Yum! image

Chop Chop! Yum Yum!

Price: $14.95

Limited stock

The Shapes' Big Bounce image

The Shapes' Big Bounce

Price: $14.95

Farmers Market image

Farmers Market

4.8

Price: $34.95

Be A Rainbow: A move-the-shapes book! image

Be A Rainbow: A move-the-shapes book!

Price: $14.95

Are You A Koala? image

Are You A Koala?

Price: $12.95

Which Way Home? image

Which Way Home?

5.0

Price: $16.95

Moo Moo Kangaroo image

Moo Moo Kangaroo

5.0

Price: $15.95

Kellan and Friends Down on the Farm image

Kellan and Friends Down on the Farm

Price: $14.95

Surprise, Poppy! A Counting Book image

Surprise, Poppy! A Counting Book

Price: $12.95

Showing 71 of 77

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Best-Selling Science Kits & STEM Toys

Enriching, science-based learning needs to have a few of these key elements: curious minds, hands-on projects, quality materials, and fun results! These popular science kits and STEM toys contain all you need to share exciting discoveries with the ones you love most.

With a healthy dose of enthusiasm and the right project, your little scientist will have an unforgettable experience. KiwiCo offers popular science kits that give curious adventurers the ability to tinker, test, and try out their theories! Science can be fun, and that's a theory that can be proven with just the right experiment.