Key of Boo Kids Tee

The Phantom of the Opera gets a kawaii makeover — playing a tiny piano with his trusty teddy bear by his side.

Key of Boo reimagines the Phantom of the Opera in the sweetest way possible. Instead of haunting the grand organ, this masked maestro tickles the keys of a children’s piano, with a teddy bear perched proudly on top. Equal parts haunting and heartwarming, the design blends gothic drama with playful innocence — perfect for fans of musicals, monsters, and all things spooky-cute.on, too.

Product features
- Seamless design reduces fabric waste for a cleaner look
- Elastic ribbed collar retains shape for long-lasting wear
- Shoulder tape prevents stretching and stabilizes fit
- Soft cotton fabric gives ultimate comfort for all-day play
- Ethically sourced material ensures safety and quality.