Turn on the power and heat the temperature sensor. When the temperature of the sensor reaches above 40°C, the circuit is turned on and the buzzer and LED start to work. When the temperature of the temperature sensor is lower than 40°C, the buzzer and LED stop working.
Material: plastic, metal accessories, electronic components
Type: STEM toys, DIY toys
Suggested Age: 10 years and up
Batteries: 2*AA (not included)
Package: PE ziplock bag*
*Some orders are individually packaged in cartons, but this is not guaranteed.
Note: this is a DIY kit, you need to assemble it
WARNING: CHOKING HAZARD - Small parts. Not for children under 3 yrs.