Compact 79x70mm Four Digit Clock Kit for DIY Electronic Learning Projects

Four Digit Clock Kit with User Friendly Interface for DIY PCB Projects

Compact Distance Measurement Meter DIY Kit for Educational Electronics Projects

Countdown Timer Electronic DIY Kit 9 Seconds for Skill Training Projects

Electronic Metal Detection Kit for DIY Enthusiasts and Creative Projects

Music Reactive LED Display DIY Kit Built in Microphone for Audio Learning USB

Automatic Power Off Socket Kit for Electronic Learning and Soldering Training