ST safety toy certification, 100% Taiwan safe, through the bionic model mechanism design, the formation of bionic spider, you can learn the REDOX reaction (non-toxic) of salt and magnesium tablets, hair gap phenomenon and dynamic mechanical principles.
Detailed graphic installation instructions, through the hands-on assembly process, develop patience, observation, reading... Encourage parents to guide their children to learn and grow together.
Warm reminder: this product is DIY self-assembled product, not finished product, after trimming or incomplete packaging, you are not allowed to return! Please confirm before purchasing. Thank you!