Universally applicable, floating, high-voltage power supply with built-in, high voltage resistant transformer to supply the heater voltage for electron tubes. Continuously adjustable high voltage, safe to touch, with passive current limitation and analogue voltage display.
Toy Design Workshop Activity Document, build guide has everything you need to construct an example Toy Design, along with your own designs through the Engineering Process. Perfect for libraries, boy and girl scouts, science fairs, kitchen table, maker's fairs
Ballistics Car with Remote Trigger, demonstrates the independence of vertical and horizontal motions. It consists of a four-wheeled cart carrying a vertical tube with a spring-loaded piston inside. The tube is loaded with a ball and the cart is set in motion