Additional Details ------------------------------ Bullet point: Ferrofluid is the astonishing liquid that becomes highly magnetized in the presence of a magnetic field.Comprised of nano-scale magnetic particles suspended in a transparent liquid, undisturbed ferrofluid forms into a smooth pool. But when a magnet is brought close, ferrofluid reacts in strange and fascinating ways. Product description: Amazing Ferrofluid Magnetic Display In a Bottle , Ferrofluid Magnetic Liquid Display Desk Toy, Magnetism Science Kits By C H Solutions Ferrofluid Magnetic Display ,Help children think,Stimulate children's imagination, Good for kids education,development of toys, Help parent-child get along...a lot "Fun" Item with original box = 9.4 oz 6.5" (L)X 3.5"(H) X 2"(D) Items protact by Secure Form and Safety Pack By C H Items come Bottle with 2 Handle of Magnetic. Glass Bottle Dimenasion (without cap) 2"X1"X2 3/4"