Wow! Amazing DIY Marble Run Automatic Machine from Cardboard. I hope everyone like this design and idea. Thank you for watching!! Please subscribe to get more interesting videos: [ Ссылка ]
You Need:
- DC motor
- 9v battery
- BBQ bamboo stick
- Cardboard
- Plastic gear
- Electric wire and battery connector wire
- Dc motor speed controller
Cardboard Measurement:
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(cm = centimeter)
1cm x 27cm = 1 piece
1cm x 40,0cm = 1 piece
2cm x 3,5cm = 1 piece
3cm x 20cm = 1 piece
4cm x 10cm = 1 piece
18cm x 22cm = 1 piece
20cm x 12cm = 1 piece
27cm x 15cm = 1 piece
30cm x 30cm = 2 pieces
![](https://s2.save4k.ru/pic/KjEIqy4QaAM/maxresdefault.jpg)