Specifications:Made of high quality material, non-toxic& safe to play.DIY building model toys set, need to do this experiment by yourself, can practice kids& 39; capability.Great toy for kids to learn some science and physics knowledge about erupting volcano.Type: DIY Volcano ToyMaterial: Plastic, Sodium Bicarbonate Powder, Citric AcidFeatures: DIY Building, Educational Toy, Physical Learning, Safe to PlayDiameter: 12.5cm/4.92" (Approx.)Height: 7cm/2.76" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x DIY Volcano Toy1 x Eye Shield1 Bottle of Sodium Bicarbonate Powder1 Bottle of Citric Acid1 x Spoon1 x Stirring Stick1 x Plastic Cup1 x Syringe1 X User Manual