STATIC BALL STORAGE MODULE - This module stores the track ball steel balls, which not only meets the dynamic entertainment, but also presents another kind of industrial rational aesthetics in the static state. It customizes the "rokr" metal logo nameplate, highlight the polishing process, and match with four pure copper hand screws to make the hard core industrial wind jump on the top. Items Included: Wooden Pieces, Steel Balls, Acrylic Board, etc. Number of Pieces: 294 Difficulty Level: ★★★★☆☆ Assembly Time: About 7h Age: 14+ Package Size: 317*233*48mm Assembly Size: 325*214*228mm