poof slinky solar energy kit. harness the power of the sun with this solar energy kit collect and measure energy using a variety of solar tools including energy collectors focusing lens and solar heater even a real thermometer plus conduct over 25 experiments and activities with the included instruction booklet. this kit contains one graduation card one thermometer one test tube one heat absorber bag one test tube stand one test tube holder one piece of rubber one reflector one magnifying glass one cardboard bracket and one manual. recommended for ages 8 and up. warning choking hazard small parts. not for children under 3 years. imported.