Educational Gear Building Set 60pcs Plastic Gear Assortment for Robot Parts Gear Toy Car

plastic Gear package parts–it is stable and has great performance while using,Mechanical Model Gear Robot parts gear–the set includes multiple kinds of gear to meet your different needs,Mechanical Model Gear Mechanical model gear–lightweight, easy to carry and use,Gear Package Parts The set is made of plastic material, and has . Great for DIY science and small production, product design and mechanical model. › See more product details