Water Cooler DIY Kids Science Education Experiment Invention Model

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Description :

DIY water dispenser mini invention scientific experiment DIY toy kits .
Environmental protection materials and safe .
Operating principle : 1 . The water cup touches the micro switch , the circuit is connected and the pump works ,
2 . The water cup leaves the micro switch , the circuit disconnects and the pump stops working .
Perfect for kids school Scienc invention projects .

Specification :

Material : Plastic

Water Pipe Color : Ship

Size : approx . 18x9x24cm / 7 . 09x3 . 54x9 . 45inch .

Size Chart :

3 Fittings Size :
Inner Diameter : 20mm / 0 . 79inch
Thickness : 2 . 3mm / 0 . 09inch
Outer Diameter : 24 . 6mm / 0 . 97inch .
Horizontal width : 39 . 4mm / 1 . 55inch .
Vertical height : 53 . 2mm / 2 . 09inch .
Elbow fittings
Inner Diameter : 20mm / 0 . 79inch .
Thickness : 2 . 5mm / 0 . 09inch .
Outer Diameter : 25mm / 0 . 98inch .
Height : 39 . 5mm / 1 . 56inch .
Connector Pipe : Outer Diameter 2 . 5mm / 0 . 09inch Thickness : 2mm / 0 . 08inch .

Package Includes :

1 Piece Microswitch

1 Piece Water Pump

1 Piece Battery Case

1 Pack PVC Water Pipe

1 Piece Wooden Board

Note :

You need to buy one cup to finish the experiment .

DIY Science Education Toys;Water Cooler Dispenser DIY Accessories