Engineering 3-Pack

Build awe-inspiring Tinker Crate projects and explore the science of gears, air pressure, and hydraulics. Ages 9-16+

  • Automaton

    Engineer a hand-cranked, wooden automaton that makes a marble climb stairs. Explore the gears and cams that make the mechanics work.

  • Hydraulic Claw

    Construct your own lifting claw and learn how hydraulic systems work. Continue the experimentation with bonus design challenges.

  • Shake Table

    Build a motor-powered platform, complete with a spinner to make it quiver and quake. Then use foam balls and toothpicks to design a structure sturdy enough to withstand your shake table's shimmying.

$74.85 $69.95 + free shipping!
Get the Pack »

Mechanics 3-Pack

Discover hands-on fun with Kiwi Crate and dive into the science of mechanics, motion, and solving puzzles. Ages 5-8+

  • Mechanical Sweeper

    Build a vacuum cleaner-like sweeper with moving parts that can be used to pick small items. Learn how salt and water react with vibrant watercolor painting.

  • Moving with Muscles

    Build a soccer player with a leg that mimics muscular movement. Then craft your very own bow and arrow set to learn how your arm muscles work.

  • Robots and Coding

    Build and decorate your own friendly robot buddy. Create a robot rabbit with a customizable track to run along. Write programs to solve puzzles and send your robot along a path.

$74.85 $69.95 + free shipping!
Get the Pack »

Chemistry 3-Pack

Explore amazing reactions with 3 lab kits. Build, experiment, and learn the science of chemistry. Ages 14+

  • Vortex Lab

    Build a magnetic mixing machine and explore 4 amazing reactions that explore the science of solubility, reaction speed, and oxidation-reduction.

  • Glow Lab

    Explore UV light and mix up 3 solutions that glow in the dark. Explore the chemistry of fluorescence, phosphorescence, and chemiluminescence.

  • Fire Lab

    Make a colorful flame lamp and complete 7 combustion experiments that explore the chemistry of oxidation, the flame test, and light energy.

$129.85 $99.95 + free shipping!
Get the Pack »

Electronics 4-Pack

Construct 4 advanced electronics kits to create a working flashlight, glowing speaker, light-chasing robot, and laser projector. Ages 14+

  • Light-Up Speaker

    Explore the science of sound by building an amplification circuit to power your own personal light-up speaker.

  • Light-Chasing Robot

    Wire up the motors, add the switch, and assemble your robot — all while exploring the science behind circuits and sensors.

  • Hand-Crank Flashlight

    Assemble your own hand-crank flashlight, great for outdoor adventures, emergencies, or just battery-free fun.

  • Geometric Laser Projector

    Construct a variable speed laser projector, capable of producing a variety of different geometric patterns.

$159.80 $124.95 + free shipping!
Get the Pack »

Science & Art 3-Pack

Fuse science and art together with 3 creative projects that explore chemistry, electronic circuits, and art. Ages 9+

  • Constellation Messenger Bag

    Assemble and decorate your own personal light-up messenger bag.

  • Animal Bath Bombs

    Learn about acid-base reactions and the science of molecules while mixing up a colorful chemical concoction, then press the mixture into bath-bomb shape.

  • Crystal Ombre Soap Making

    Craft and customize two kinds of colorful, crystal-inspired soaps. Explore mineral science, colorful ombre geodes, and chemical reactions.

$77.85 $62.95 + free shipping!
Get the Pack »

What Sets Our Crates Apart

  1. We deliver carefully engineered components along with clear instructions and inspiration.

    Carefully engineered components!
  2. We ensure that the projects are multi-dimensional with lots of possibilities for kids to tinker and explore.

    Tinker and explore!
  3. Every crate is tested rigorously by our experts and lots of kids.

    Tested rigorously!
  4. Our projects are enriching, accessible, and fun for kids of all ages.

    Enriching, accessible, and fun!

Each of our crates presents kids with a multi-faceted experience that can last for hours, or even days! Our crates include a magazine with additional science experiments and activities, and lots of rich content to dig deeper into the theme. We also provide online resources and video content for every project, all designed to allow kids to explore further.

Getting in Gear

Once the makers of tomorrow discover the scientific process and learn to draw scientific conclusions, their confidence and curiosity can trigger a cycle of endless questions that lead to fascinating answers. Mechanical engineering kits can take your inspired scientist on a journey toward scientific discoveries that they won't soon forget. KiwiCo engineering kits bring the excitement of engineering innovation and scientific invention to your doorstep!

Over 10 Million Crates of Fun... And Counting!

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

Awards and Press