コマ博士・山崎詩郎先生監修第2弾のばねぴょんコマは、コマなのに跳ねる、ばねなのに回る不思議なコマです。
少し高い位置から回しながら落とすと、最初はぴょんぴょん跳ねて、跳ね終わると滑らかに回転が始まります。
山崎詩郎先生とバネを製造開発する五光発條(株)がコラボレーションした楽しいコマです。
●五光発條のコマ
「コマはろくろで木や鉄を削って作る物」
この概念を一気にふっとばし、１本のバネでコマを作るという、バネ会社が本気で作ったコマが登場です。
日本の技術、ものづくりの発想の豊かさが産んだ独楽。
面白い動きで子どもたちを楽しませるとともに、日本の技術の高さを実感してください。
サイズ：φ4.2×高3(cm)
重量：10.2g
材質：SUS304WPB（ステンレス鋼線）
※ゴム取手の色はアソートとなります。カラーが写真と異なる場合がありますので、ご了承ください。
| Product # | 20019365 |
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