Design and build your own battery-less buggy with this pull-back motor, axles, and wheels kit. Design your own chassis, add this kit, pull it backwards, let go, and let the elastic potential energy stored in the spring inside the motor propel your buggy...

The Kitronik Inventor's Kit for Arduino is a great way to get started with programming and hardware interaction with the Arduino in the classroom. This Inventor's Kit contains everything you need to complete 10 experiments including using LEDs, motors,...