By simulating creation of tornado, Tornado Kit stimulates curiosity. Through hands-on experimentation, children develop observation skills, enhance ability to think, and improve learning capabilities. The use of materials ensures that children can play with it without any concerns. Features -Color:Multi -Material:Plastic,wood -Size:13.00X10.80X8.10cm/5.11X4.24X3.18in -Battery: 2 x AA batteries(not included) -Real simulation: Through the tornado simulator, the effect of reducing tornado can be realistic. -Science education: As a scientific teaching tool, it can help children understand principle and scientific knowledge of tornado. -Safe: made of safe materials, stable, to ensure the safe use of children. -Easy : The is simple, easy for children to operate autonomously. -Practical, experimental observation can be made while simulating tornado. Package list: 1 x tornado kit