Scientific principle: squeeze the liquid through the syringe to open the manipulator
| Item no | 900 |
| Product name | DIY wooden educational toy for kid hydraulic mechanical arm |
| Product size | 14*5CM |
| Product weight | 150g |
| Packing | opp bags |
| Delivery time | 35days |
| Sample time | 7-10days |
| Contents | 1.Wooden kit 2.Syringe 3.Screw |
| Shipping | by sea or by air |