Build a Safe with Combination Digit Number and Card

Build a Safe with Combination Digit Number and Card from cardboard. I hope you like this design and concept. Thank you for watching!! Please subscribe to get more interesting videos: https://www.youtube.com/channel/UCNZMEiM-ZMYmEk2CG3mr1_Q?sub_confirmation=1

You need:
- Cardboard
- Switch
- Magnets
- Rubber band
- Ice-cream stick
- BBQ bamboo stick and chopstick

Cardboard Measurement:
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(cm = centimeter)
15cm x 1,5cm = 1 piece
15cm x 2,5cm = 2 pieces
15cm x 15cm = 3 pieces
25cm x 15cm = 2 pieces
25cm x 16cm = 2 pieces
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