Back to School and the winter holidays, i.e. Hanukkah and Christmas, are great times to shop for STEM kits that your kids will love. These kits will often be marked down during these times, and you can stock up and save.

- Roller Coaster STEM Challenge Kit
- 3D Wooden Puzzle Model Dinosaur Robot Kit
- Gravity Maze Marble Run
- DIY STEM Candy Dispenser Wood Building Kit
- Snap Circuits Jr. Electronics Exploration Kit
- Botley The Coding Robot Activity Set
- Straw Constructor STEM Building Kit
- Wallbot Robot Building Kit
- Wooden Tangram Puzzle
- Magnetic Building Blocks
- K’Nex Swing Ride Building Kit
- Wooden Ferris Wheel DIY Model Kit
- LEGO Boost Creative Robot Building Set
- Theremin Electronic Kit
- Mini Puzzle Building Blocks
- Bloxels Build Your Own Video Game
- Electric Motor Robotic Science Kit
- Anti Gravity Magnetic Levitation Science Kit
- Ultimate Coding Kit
- Keva Contraptions, Keva Structures, or Keva Catapult kit
- 3D Pen + 10 Color PLA Filament + DesignPad Mat Kit
- Nat Geo STEM Kits
- Yellow Scope Science Kits – 4 Pack Bundle
Best Stem Kits
The very best STEM kits are the ones that kids will allow kids to explore STEM learning by having FUN!
Roller Coaster Challenge STEM Kit
What do you get when you get involved in this Roller Coaster STEM Challenge Kit? Half logic, half building and 100% fun!
3D Wooden Puzzle Model Dinosaur Robot Kit
This 3D Wooden Puzzle Model Dinosaur Robot Kit allows your kiddo to make wooden dinos that really move! Give kids a building and small motor lesson with this affordable kit.
ThinkFun Gravity Maze Marble Run
This Gravity Maze Marble Run, by ThinkFun, is probably one of our favorite marble runs. You can play your way through the challenges to build spatial reasoning and planning skills while having a lot of fun!
DIY STEM Candy Dispenser Wood Building Kit
Talk about fun. Use this DIY STEM Candy Dispenser Wood Building Kit to build a candy dispenser that is functional!
Elenco Snap Circuits Jr. SC-100 Electronics Exploration Kit
Explore the world of electronic circuits with this Snap Circuits Jr. Electronics Exploration Kit. It has everything you need to create over 100 projects, without tools!
Botley The Coding Robot Activity Set
Explore the exciting world of coding with a friendly little Bot buddy! This Botley The Coding Robot Activity Set is an awesome way to learn through play!
Straw Constructor STEM Building Kit
Inspire creativity and building skills with an unlikely outlet– straws. This is a unique Straw Constructor STEM Building Kit is a great way to encourage stem play.
This Wallbot Robot Building Kit will have your kids building their own super cool and functional robot!
Just like the classic game, Tetris but without the screen! This wooden Tangram puzzle is bound to be a favorite stem toy for boys of all ages!
These magnetic building blocks will attract kids for hours of engineering based play!
No need to head to the fair for a thrilling ride, kids can build their own swing ride with the K’Nex Swing Ride Building Kit and watch it go around and around!
Wooden Ferris Wheel DIY Model Kits
This wooden Ferris wheel DIY model kit is awesome because it really works! It is challenging enough for adults to build, but so much fun that kids can’t resist it.
LEGO Boost Creative Robot Building Set
This LEGO Boost Creative Robot Building Set features 847 LEGO pieces that kids can build and rebuild into 5 cool multifunctional robots including a dancing robot, a cat, a rover, an auto-builder and a guitar!
The Theremin Electronic Kit gives kids an introduction to how electrons work in a fun package.
The Mini Puzzle Building Blocks in this construction building kit are fun no matter how you look at it. This open ended toy invites creativity and engineering skills to come together for hours of fun.
Bloxels Build Your Own Video Games: Official Kit
If you have a gamer in the house, the Bloxels Build Your Own Video Game kit is a must have. Everything your child needs to create a video game is included, except for the imagination!
Electric Motor Robotic Science Kit
This Electric Motor Robotic Science Kit contains everything needed to create 4 different projects including a bubble machine, a car, a bicycle and a doodling robot.
Anti Gravity Magnetic Levitation Science Kit
Let the tweens have all the fun with this Anti Gravity Magnetic Levitation Science Kit.
This Ultimate Coding Kit is great for older kids who show an interest in learning to code.
KEVA Contraptions 50 Plank SetKEVA Structures 200 Plank Set
MindWare Contraptions Catapult
KEVA Contraptions 4-Pack Light Weight Balls
By far, some of our favorite STEM building has been done with Mindware’s Keva products. We’ve enjoyed the Keva Contraptions, Keva Structures, and Keva Catapult kits. My favorite was the Keva Trebuchet, but it’s currently discontinued. We also got the Keva Contraptions Light Weight Balls refill pack, because they are forever getting lost.
MYNT3D Super 3D Pen + 10 Color PLA Filament + DesignPad Mat Kit
Creative kids will love this 3D Pen + 10 Color PLA Filament + DesignPad Mat Kit, which they can use to bring all their ideas to life.
NAT GEO Gross Science LabNATIONAL GEOGRAPHIC Rocks & Fossils Kit
NATIONAL GEOGRAPHIC Mega Crystal Growing Lab
NAT GEO Stunning Chemistry Set
Nat Geo STEM Kits are a great way to spark, and maintain, interest in STEM learning.
Yellow Scope Science Kits – 4 Pack Bundle
The Yellow Scope Science Kits – 4 Pack Bundle includes a Foundation Chemistry Kit, a Paper Chromatography Kit, an Acid, Bases, and pH kit, and a DNA and Traits kit. The kits can be purchased separately, but you save money when you buy the bundle.
I’ve listed what I consider to be the very best STEM kits. I’m certain there are even more to love. For even more great STEM gifts, check out my The Best STEM Toys and Games for Your Homeschool guide and my The Ultimate STEM Gift Guide.
***This article originally published in 2022. I will update this article periodically to add STEM kits your kids will love!***