Wooden base high-density wooden base solid materials durable and stable. Can write scrub and wash the globe. It is not afraid of dirt and discoloration and it is more convenient to use. Manufacturered by SACYSAC. LED eye protection light USB power cord can be plugged in easy to use can be used with a charging bag. Commodity use and protection: 1. During use you can gently dial the ball with your hand and it will rotate freely. 2. Do not touch the ball and sharp objects. 3. Don't shine the earth to prevent discoloration. 4 If the spherical surface is soiled it can be wiped off with a soft cloth and water. It cannot be wiped with chemical solvents. 5. If it is touched it is found that the surface of the spherical surface is lifted up and its convex part can be glued with glue. 6 After use the film cove Aluminum alloy scale bracket while learning geography can assist in positioning latitude and longitude making learning more interesting.