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/-/https/www.sciencebuddies.org/cdn/Files/21464/5/sb-logo.png){kind=logo}
Image Credit
/-/https/www.sciencebuddies.org/cdn/Files/7934/21/short-circuit.jpg)
Description:
Do not let red and black wires touch. This will create a short circuit, quickly drain the battery, and prevent the motor from vibrating.
Source:
Ben Finio, Science Buddies
License:
Science Buddies
/-/https/img.youtube.com/vi/T8tmVMyzu18/0.jpg)
/-/https/img.youtube.com/vi/l9NpcJqclSY/0.jpg)
/-/https/img.youtube.com/vi/Th6GQiSHfKk/0.jpg)