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DIY Wooden Rain Detector Kit Wooden Water Drop Detection STEM Kit Water Drop Sensor STEM kit All-In-One DIY Kit Build A Rain Sensor STEM Learning Creating A Water Drop Sensor - RS6465DIY Wooden Rain Detector Kit Wooden Water Drop Detection STEM Kit Water Drop Sensor STEM kit All-In-One DIY Kit Build A Rain Sensor STEM Learning Creating A Water Drop Sensor - RS6465