ROBOTIME Wooden 3D Puzzle - Ball Race Track Chocolate Factory

Set for building a wooden track on which metal balls overcome a variety of obstacles. The model is driven manually by turning the crank mechanism. The kit is made of high-quality plywood and comes in the form of sheets with pre-cut and numbered parts, which must be separated from the blank before assembly, and then joined without glue, according to the included instructions. The package contains 10 metal balls. The kit requires two CR2032 batteries not included in the kit.