How to Make Coin Box with Pencil Sharpener

How to Make Coin Box with Pencil Sharpener. You can make this pencil sharpener and ask your friend to pay before use it (or share your friend use this pencil sharpener for free). You can saving your coin at school or in class with this pencil sharpener. I hope everyone like this video. Thank you for watching!! You Need: - Cardboard - 9v Battery and wire - DC motor - Switch - Pencil sharpener

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