Wow Stuff Metallic Ink Keychain

Wow Stuff Metallic Ink Keychain

• Writes underwater, upside down, on grease, and in zero gravity.
• Uses a metal alloy, no conventional ink.
• Easily fits in a wallet, purse, or keychain.
• Includes an alloy tip and a steel body with a keychain option.
• From the Science Museum toy line.