"safety"

Prepare for upcoming competitions with this practice kit, the only kits officially licensed and approved by Science Olympiad!

Everything needed to get started with the popular BBC micro:bit microprocessor.

Inexpensive, compact counter for measuring milliseconds (in conjunction with the free-fall apparatus 470162-756 ). Each count is started and stopped by a signal at the input sockets. The device is automatically reset to zero each time it is restarted. Includes plug-in power supply.