Squishy Circuits Group Kit, perfect for classrooms, makerspaces, 10 Battery Holders (40 AA Batteries not Included), 10 - Piezoelectric Buzzers, 10 Motors with Fan Blades, 10 Switches, 80 LEDs 10 ea in Red, Green, White, Yellow, Orange, Purple, Blue
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.
mBot-S Explorer Kits is an upgraded kit of the Makeblock star product mBot. It includes the original parts of the classic kit and further allows children to customize with its LED dot-matrix screen.