Unlock a world of hidden surprises with San-X's Sumikko Gurashi Secret Pen with Blacklight, the ultimate tool for adding a touch of mystery and magic to your everyday writing experience!

This unique pen features the beloved Sumikko Gurashi characters in an adorable design, but its true magic lies in its hidden feature – a built-in blacklight! With a simple twist, activate the blacklight function to reveal hidden messages, illustrations, and secrets hidden within the Sumikko Gurashi world.

Please Note: Batteries cannot be replaced.

Size: 13.5cm x 1.5cm approx.

SAN-X