Velleman MK173 Mini 6-Led Chaser DIY STEM Kit (solder version)

Velleman MK173 Mini 6-LED Chaser Kit

C6826 - Super LED Chaser Kit - Green

DIY Circuit Experiment Kit - Educational & Safe Electrical Learning Tool

Velleman MK131 Traffic Light Mini Kit . Brand New- Unopened.

16 Tone Analog sound effects Music Melody Electronic Module DIY Kit Pi Arduino

DIY DC Electrical Motor Assemble KIT - STEM Science Lab Educational Physics Lear

SIGNAL GENERATOR ELECTRONIC KIT, Great STEM or DIY Circuit Project, NEW Velleman