Gravity Marble Run

Specs Complexity of assembly: 5 level Assembly time: 9-10 hours Quantity of parts: 773 model kits Materials: High-quality plywood; no glue or cutting required. Model size, l*w*h: 17.13*16*15.63 in (435*408*397 mm) Packing size, l*w*h: 14.37*14.37*2 in (365*365*50 mm) Weight of the package:  7.32 lb (3.32 kg) Description Love travel and engineering challenges? Then marble run sets are totally your thing. How about embarking on the most extraordinary round-the-world journey with our Gravity Marble Run, a super cool wooden track shaped like a globe? Dive into assembling a 3D model of Earth, conquer three exciting tracks, and watch the marbles dance their way through the action!