Do you have a question about the EDU-TOYS CIRCUIT MAKER Skill Builder 125 and is the answer not in the manual?
Guidance for adult supervision when children use the kit.
Important guidelines for using and handling batteries.
A two-player game using a paper clip and shorting bars to guess a hidden target.
Uses an NPN transistor to control motor current via lamp current, amplifying small currents.
Uses an LED and photoresistor for a flicker effect controlled by light, suitable for deaf signaling.