Welcome to my store, we have many kinds of price products, we launch new products every day, please follow my store and pay more attention, for more products, Please click on the seller information to enter our store to buy, we hope give you a pleasant shopping experience. Thank you and have a nice day! 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
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