Scientific Experiment DIY Bionic Mechanical Crab Children's Handmade Toys Physical Materials Technology Small Production

Material:Wood Specification:140*110*100mm DIY or not:Yes Packaging:Other Whether multi-function:No Whether electric: Yes Ability to develop: hands-on brain Science toys type: physics Applicable age:Junior (7-14 years old) 3:Children's handmade toys 1:Science experiment DIY 2:Science and technology small production