![Cog Coaster LG502 3D Wooden Puzzle](http://thegibraltargiftshop.com/cdn/shop/products/RolifeCogCoasterLG502_{width}x.jpg?v=1620906907)
Cog Coaster LG502 3D Wooden Puzzle
This DIY COG Coaster Kit will help you recreate a roller coaster for the steel balls. It’s a masterpiece that you can be proud of. After the assembly, turn the hand-crank wind-up and watch the steel balls roll around the assembled build.