段ボールで回転抽選器を作りました。
玉も一つずつ出てくるので、市販品と性能が変わらない物ができました。夏休みの自由研究などの参考になってくれたら嬉しいです。
I had make cardboard made rotating lottery machine.
Since the balls come out one by one, we were able to create a product that has the same performance as commercially available products.
We hope that you will find this useful as a reference for your free research during summer vacation.
段ボール
色画用紙
ペットボトル
アイスの棒
100均の木材(円柱)
Cardboard
Colored drawing paper
PET bottles
Ice cream stick
100 yen wood (cylinder)