Small Hammer DIY Drinking Fountain Educational Kit

Specification Size length 18cm width 9cm height 24cmThree way accessories size inner diameter 20mm thickness 2 3mm outer diameter 24 6mm lateral width 39 4mm longitudinal height 53 2mmElbow fitting size inner diameter 20mm thickness 2 5mm outer diameter 25mm height 39 5mmConnecting tube outer diameter 20mm thickness 2mmNote DIY water dispenser technology small production small invention scientific experiment manual model toy environmental protection student small productionSince the PVC pipe is cut manually there will be flaws in the cut which cannot be avoided and the perfect ones should be taken with caution The color of PVC water pipe is white blue gray random colorShipped as partsNeed to bring 1 cupworking principle The water cup touches the micro switch the circuit is connected and the water pump worksThe water cup leaves the micro switch the circuit is disconnected and the pump stops workingpackage included1 DIY Drinking Fountain Educational Kit