DIY Automatic Water Dispenser School Experiment Manual Model Science Education Toy SNP68
$17.91
$32.42
Description DIY Automatic Water Dispenser School Experiment Manual Model Science Education Toy SNP68 Note: The PVC pipe is cut manually, and there will be flaws at the incision, not smooth! This is unavoidable, please buy with caution! PVC water pipes are available in white, blue, and gray (random delivery) You need to bring your own cup Working principle: When the water cup touches the micro switch, the circuit is switched on, and the pump works When the water cup leaves the micro switch, the circuit is disconnected and the pump stops working Product parameters： Size: 18cm * 9cm * 24cm Tee fitting size: 20mm inner diameter, 2.3mm thickness, 24.6mm outer diameter, 39.4mm lateral width, 53.2mm longitudinal height Elbow fitting size: 20mm inner diameter, 2.5mm thickness, 25mm outer diameter, 39.5mm height Connection tube: outer diameter 20mm * thickness 2mm Shipping list: 1 micro switch 1 water pump 1 battery box Several PVC pipes 1 board Related
