SNP DIY Assembly kitDIY Automatic Water Dispenser School Experiment Manual Model Science Education Toy SNP68
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
官网原始名称
DIY Automatic Water Dispenser School Experiment Manual Model Science Education Toy SNP68
来源：Makerbuying 官网 · 采集日期：2026-11-04。原始名称中的编号与版本写法保留来源信息，具体参数、套装内容和兼容性请以官网确认结果为准。
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Original product documentation
Archived from the official source. Refer to the source product page for the latest specifications and configuration.
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DIY Automatic Water Dispenser School Experiment Manual Model Science Education Toy SNP68Note:
Working principle:
Product parameters：
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
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