Ages 9-16+

A Laboratory for Hands-on STEM Projects

We make science and engineering seriously fun.

Learn more about Tinker Crate from KiwiCo

We believe that STEM is a key to creative problem solving, a foundation for critical thinkers, and a pipeline to innovation. The design of Tinker Crate reflects this. We're not just another science kit. We create "low threshold, high ceiling" projects, so they're accessible and fun for all types of learners.

Our goal kids to build their problem solving skills and to gain the CONFIDENCE and CURIOSITY to tackle problems where there's no one right answer. We can’t wait to see all of the light bulb “AHA” moments of discovery and understanding.

Designed by Experts, Tested by Kids

  • An electrical circuit project from a Tinker Crate STEM box

    STEM Education

    Hands-on learning and discovery.

  • Young engineer with a DIY trebuchet project from the Tinker STEM box


    Encourages a tinkering mindset.

  • Young engineer designing an electrical circuit


    Everything needed to build, explore, and learn — delivered.

  • Young engineer learning about how batteries work with a Tinker STEM box


    Create real, functional objects that you’ll love to use every day.

Our customers love us!

4.7 stars

5,340 reviews

Awesome Projects & More in Every Crate

Sample Crate!


Build and fire a real, functioning trebuchet that launches a ping-pong ball up to 10 feet. Then experiment and explore the physics of slings, levers, and air resistance.

Sample Crate!

Hydraulic Claw

Build with hydraulics! Hydraulics are used all over, from airplanes to factories to theme parks. Learn how to build your own hydraulic lifting claw and continue experimenting with bonus design challenges.

Sample Crate!

Walking Robot

Use this robotics kit to build a walking robot. Play with mechanical motion through robot building and experimentation!

Over 20 Million
Crates of Fun... And Counting!

Check out #KiwiCo for tons more amazing creativity and serious fun.

How It Works

  1. Pick a Line.


    We offer projects for every age and interest!

  2. Delivered Monthly.


    Choose your plan and the first crate ships in 2 days. Pause or cancel anytime.

  3. Serious Fun!


    Our science and art projects inspire kids to become creative problem solvers.


What is Tinker Crate?

How are the crates designed?

Which line is appropriate for my child?

Can I give Tinker Crate as a gift?

When do subscriptions ship?

Where do subscriptions ship?

What is your cancellation policy?

Can't find what you're looking for? Check out our Help Center ➜

Awesomeness for kids of all ages starting at $16.95

+ Free shipping within the U.S.


5,340 Tinker Crate reviews

Cara W
Apr 13 2020

These boxes every month exceed my expectations. I have two boys and the each have a subscription and look foward to every month and as soon as they recieve it they sit down and put it together no matter hown long it may take. My youngest son gets the Tinker create and at the beginning I was needing to walk him through step by step but now he can assemble it independently. Cannot say enough about this product. Best Christmas gift and money spent

Tinker Crate
Traci H
Apr 12 2020

My daughter is 10 and we have tried different boxes: Little Passports, Steve Spangler and she was bored after a couple and wasn't excited each month. But now she gets a Tinker box and can't wait to open it. Then she constantly asks as soon as the month starts when is her next box coming!

Tinker Crate
Lauren W
Apr 13 2020

The boxes are like a birthday gift every month. Now that my granddaughter has put a few together with her dad, she is now able to follow the directions and do them by her self.

Tinker Crate
Ronald L
Apr 13 2020

My son loves his kiwi crates. It starts with him receiving a package once a month and the challenge of creating the activity.

Tinker Crate
Vicki D
Apr 13 2020

My kids look forward to getting their box each month!

Tinker Crate

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