Robotime-rokr 3d wooden globe puzzle wt001 is made from durable plywood and birch. With excellent levels of engineering and high quality production process, the pieces are all laser-cut for precision, so your pieces will fit together to be engineered without an issue.【rotatable globe】 - follow the instruction in the manual to assemble tumbler wheel packs and spindles. Then you can rotate the globe slowly and observe its magic carefully.【best material】 - eco-friendly wooden globe will last for years and the constructions can be recycled with no harm to the environment. Also, every accessory is smooth polished without burrs.【best material】 - eco-friendly wooden globe will last for years and the constructions can be recycled with no harm to the environment. Also, every accessory is smooth polished without burrs.recommend age: 8+, children under the age of 8 can complete the assembly accompanied by their parents.