Construct this cool metal detecting robot. You can remote control it to search for metallic objects on the ground. The metal detecting unit can be detached from the robot body. It's a cool gadget which will fascinate all your friends....
Construct this cool metal detecting robot. You can remote control it to search for metallic objects on the ground. The metal detecting unit can be detached from the robot body. It’s a cool gadget which will fascinate all your friends. You will also learn the principles behind this cute robot to find out how metal detectors work. An educational kit which will give hours of fun
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