What is the hydraulic principl...
May 09,2024
The hydraulic principle of the Hydraulic Crane Toy Kit is at the heart of its ability to simulate the functionality of a real cran...
Includes | Wooden box 19*19*4.5*1cm |
PVC Card 2pcs:16.8*16.8cm | |
Paper card 15*15cm 10pcs+15pcs | |
Column 16pcs 4color | |
Color box:22.5*20.5*5cm |
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