Water Gel Test Tube Kit, 0.52 oz. Test Tube – Sodium Polyacrylate Powder Science Kit for Kids, Teach and Learn About The Science of Polymers, Exciting Hands-On STEM Activity

Steve Spangler Science Water Gel Test Tube Kit, 0.52 oz. Test Tube – Sodium Polyacrylate Powder Science Kit for Kids, Teach and Learn About The Science of Polymers, Exciting Hands-On STEM Activity

Steve Spangler Science Energy Stick – Fun Science Kits for Kids to Learn About Conductors of Electricity, Safe, Hands-On STEM Learning Toy, Independent or Group Activity for Classrooms or Home