機き械かい仕じ掛かけ

noun, noun which may take the genitive case particle 'no'

mechanism; mechanical device; jack-in-the-box

Refers to something that operates by a mechanical mechanism, often with gears or springs. Can also specifically mean a jack-in-the-box toy.

• このおもちゃは機き械かい仕じ掛かけで動うごく。