This brain teaser set includes 144 plastic magic cubes, each measuring 5.7 centimeters, designed to challenge and entertain children aged 6 to 12. The cubes come in a high frequency double blister packaging, making them suitable for individual display or gifting. They are ideal for developing problem-solving skills and hand-eye coordination through classic twisting puzzles. Sold wholesale by the box. Options: Keychain Plastic White 5.7cm.