Wooden Staircase Bi-Intelligence Example Kit, One Hour Installation, STEAM Science Experiment, Model Making and Hand Assembly, Develops Cognition and Fun, Perfect Gift

https://goods-vod.kwcdn.com/goods-video/f614fc5350cdb37bf4a6dd66267ea9934c8a0c2e.f30.mp4

Applicable age group: 14 years+ Main material: Other Color: White