Two-year warranty on components does not include burning high voltage lamps

Fun activity for the whole class - the combination with microbite is just wonderful

1.5-3V 15000 RPM DC Motor Kit with 66 Pcs Plastic Transmission, Shaft Propeller, Bulbs, Buzzer Sound, DIY Kids Scientific Experiment Kit

DC Motors Kit 1.5-3V 15000RPM with 66 PCS Plastic Gears, Shaft Propeller, Bulbs, Buzzer Sounder, Science Experiment Kit for Kid DIY