🔒 How does a combination lock work? Join The Fixies as they take on the mystery of a locked box and explain the cool science behind combination locks! In this fun and educational episode, kids will learn about numbers, security, and how everyday objects work — all while enjoying a fun cartoon adventure! 🎉 br br Perfect for curious kids who love to learn while having fun. Watch, learn, and unlock the secrets with The Fixies! 🔐✨.