915 Generation Science and Technology Small Inventions Homemade Drinking

Detailed Information About The Product:

DIY water dispenser mini invention scientific experiment DIY toy kits.
Environmental protection materials and safe.
Operating principle: The water cup Press es the micro-switch, the circuit is connected and the pump works,The water cup leaves the Mini switch, the circuit disconnects and the pump stops working.
Perfect for kids school Scienc invention projects.

Colour:Wood color
Material:Wooden
Size:17 x 10.5 x 17cm

Package Contents:
1 set * self-made water dispenser materials

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

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