Try your hand at physiology and never lose your keys again with 4M’s fun, new Glow Skull.
Learn the structure of your skull with a cool and luminous human skull keyring. It’s makes a fun gift idea.
Have fun touching and examining the squishy brain.
Attached to a handy keychain, the clear, anatomically correct skull contains a squishy glow-in-the-dark brain.
No batteries are required. This item is recommended for ages eight years and up.