The spin art machine is a classic toy with dozens of DIY designs, but none of the tutorials I found are ideal for teachers. The parts are too expensive or bulky, or the motor runs way too fast to be safe around kids, or it's too difficult for kids to build on their own. This design solves all that: inexpensive & reliable parts, simple circuits, ideal spinning speed, and accessible for kids ages 6+ This project lets kids explore energy transfer as energy moves from the batteri

Robots are machines that receive inputs, process logic, and act. Usually this takes the form of sensors and microcontrollers, and servo...

Search for "STEM Projects for Kids" and this classic craft stick catapult design pops up everywhere, and for good reason! It's easy to...

The electric fan-powered car, made better.

Scribbling doodle bots are an iconic kids' STEM activity and often the first "robot" that they'll build. It's easy to create a design...