Science And Technology Small Production Handmade Diy Ball Climbing Stairs Physics Primary Students Experimental Operation Steam Material Package

Material:plastic/plastic Specification:120*100*85mm Whether can DIY:Yes Packaging:Other Whether multi-function:No Whether electric: No Ability to cultivate: hands-on brain Science and education toys type: physical class 3C configuration category: other toys under 14 years old Colour: ball climbing stairs applicable age: juvenile (7-14 years old) 2:Small invention small production 1:Science teaching toys 3:Air compression power