The Kubo Mini Cube Keychain brings classic puzzle fun to your everyday carry. Designed with a smooth twist mechanism, it delivers the same color-matching challenge as a full-size cube in a compact, lightweight form. The sturdy split ring easily attaches to your keys, backpack, or bag, so you can take it anywhere. Perfect as a stress-relieving fidget toy, travel companion, or a playful gift, this durable little cube is both entertaining and practical for puzzle lovers of all ages. Complies with Prop 65. 1 5/8" W x 1 3/16" H x 1 3/16" D