This Heart-shaped 3D Puzzle Maze Ball Keyring Chain is an Engaging Toy Suitable for Childrens Over 6 Years. It Aids in Developing Intellectual Skills & Cerebellar Balance. with 50 Levels, It Serves as a Perfect Stress-relief Toy. Players Navigate the Ball Along Numbered Paths, Contending with Gravity's Forces. Its Keyring Chain Design Makes It Portable for On-the-go Fun. Customizable with Your Company Name & Logo, Its an Excellent Way to Enhance Corporate Visibility on a Delightful & Challenging Product. Minimum Quantity: 100.