Items Included: Wooden Pieces, Steel Balls, etc.
Number of Pieces: 254
Difficulty Level: ★★★★☆☆
Assembly Time: About 6h
Age: 14
Package Size: 318*234*48mm
Assembly Size: 255*235*185mm
ROLLER COASTER DESIGN – This Waterwheel Coaster 3D puzzle is like a real roller coaster, after the assembly, the ball can be rolled along the track. These designs are inspired by real-life mechanisms.