4M – SALT WATER POWERED ROBOT
Put this robot mini vehicle together, then add salty water to the specially designed battery cartridges and off it goes.
8+
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4M – SPY SCIENCE – INTRUDER ALARM
Learn the science of connecting an electric circuit. Construct your own door buzzer and place it behind your door. Stop intruders from your room. It’s cool and fun!. -
4M – TIN CAN CABLE CAR
Recycle a drink can to make a unique cable car. Install it in your bedroom and watch it run up and down. It’s a cool mechanical science project. -
4M – METAL DETECTOR ROBOT
Build your own metal detector robot. Hunt for buried treasure by driving the robot back and forth with the remote control. When you hear it beep, you have found something metallic!. You can also detach the metal detector unit, and use it hand held for household metal detecting.
