Happyxuan Password Box DIY Kids Science School Projects Experiment Kits Boy Physic Fun Toy Education

Happyxuan Mechanical Password Box DIY Kids Science school Projects Experiment Kits Boy Toy Invention innovation Creative stem Education Product material:Wooden Product size:13*9*8cm Suitable age:over 6 years old Product functions: kids hand-on ability and creative thinking skills to opreate,give kids a sense of accomplishment children's scientific knowledge children's interest and curiosity Note:The price is for 1 set. The product is non-finished product. Work p