ROKR Marble Run 3D Wooden Puzzles Model Building Kits for Adults – Educational Project Brain Teaser, DIY Crafts for Adults & Kids (Fortress)

Wood
【Original Brand and Product】 Everyone of ROKR adheres to the original research and development concept. Rokr focuses on the Play-Brand of mechanical transmission model of mechanical transmission models. We are committed to building a DIY 3D wooden assembly model with mechanical and industrial sense.
【Safe & Environmental-Friendly Material】We adopt the native wood with good conscience and quality. There is no a pungent smell with Rokr 3D Wooden Puzzles, and the details are more treated. Safe, not hurt. The child is happy, the family is more assured.