How to Make Coin Bank Box with Smart Key

Hello everyone! This video shows you how to make a coin bank box with smart key. It's really fun. This box like robot box eating coin when we put coins in it. I really like it so much and I feel very exited when putting the coin in this box. Thank you for watching!! You need: - 9v Battery - 6v DC gear motor - Cardboard - Magnet - Ice-cream stick - BBQ bamboo sticks - Electric wire and battery connector wire

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