Marble Run Roller Coaster Kit — Birch Plywood, Natural Light Wood marble This Mechanical Puzzle Treasure Box

This Mechanical Puzzle Treasure Box is a hands-on blend of puzzle and model making that finishes as a functional wooden vault

We stand behind quality and safety with a clear returns policy and a money-back guarantee if the kit arrives damaged

Designed for miniature collectors

and a bold visual presence

this wooden model is made to be displayed

Marble Run Roller Coaster Kit — Birch Plywood, Natural Light Wood marble This Mechanical Puzzle Treasure BoxBring movement, focus and a quiet thrill to your tabletop with our Interactive Birch Plywood Marble Run Roller Coaster. Made from recyclable birch plywood in a natural light wood tone, this working model uses a manual lever to lift marbles up six engineered steps and send them along zigzag tracks, a giant wheel and a spiral funnel all visible through layered, lasercut panels. Why builders keep coming back: Works every time: Mechanical lever, steel