Features:_x000D_The water science kit includes everything to demonstrate a water filtration system _x000D_Perfect educational toy for kids, demonstrate water filter system to your kids, and have fun together _x000D_It is a good chance to develop your kids interest and their environmental awareness _x000D_Learn the science of cleaning and reusing dirty water by conducting interesting water purification experiments _x000D_It's a coolest water science experimental kit_x000D_Specification:_x000D_Product Name: DIY Water Purification System Toy_x000D_Material: Plastic_x000D_Color: As the picture show_x000D_Product use: Purify water_x000D_Applicable people: children aged 3-14Package List:_x000D_1 x Plastic Cap_x000D_1 x Plastic Cup_x000D_1 x Plastic Funnel_x000D_4 x Filter Tubes_x000D_1 x Sponge_x000D_1 x Crushed Granite_x000D_1 x Porcelain Sand_x000D_1 x Activated Carbon_x000D_1 x Quartz Sand_x000D_1 x Filter Paper_x000D_1 x Saleratus_x000D_1 x Potassium Alum_x000D_1 x Instruction