Kids Can Try Their Hand At Physiology With The 4M Kidzlabs Glow Skull Keyring Toy Learn The Structure Of The Human Skull With A Cool And Luminous Skull Key Ring Have Fun Touching And Examining The Squishy Brain The Skull Comes Attached To A Keychain For Comfortable Holding Packaging Dimensions 13.3 Cm Wide, 19.7 Cm High And 4.4 Cm Deep