Welcome to the wonderful, chemical world of molecules, solids, liquids, gases and reactions! This science kit includes more than 50 experiments that are designed for kids aged 8+. They will be fascinated by the real, authentic science in this kit as they watch chemicals react and learn how the same reactions occur in the world around them. Kids will conduct experiments to learn about density, diffusion, emulsion, pH, invisible gases and reactions involving the metals Copper and Zinc! They will also create their own lava lamp, magically clean coins and learn how cakes rise. This kit includes safe, high-quality ingredients, safety equipment and a full-color education and instruction booklet which includes detailed, step-by-step illustrations that are easy for children to understand. Adult supervision is recommended. STEM Activity Kit. 15. 2 x 12. 6 x 2. 8 Inches. Multicolored/Sodium bicarbonate, citric acid, copper sulfate, universal indicator strips, beaker, candle, wool, small vial, balloons, funnel, latex, paper, piece of zinc, plastic.