Challenge your mind with this brain teaser puzzle from Corsica. The irregular shape adds an extra level of difficulty to the strategy game, requiring your full focus and problem-solving skills. This puzzle comes in two sizes, 4x4x4 and 3x3x3, and is perfect for those looking to test their IQ.

With no mention of the item's condition, this IQ Test puzzle from Gift Republic is perfect for collectors or those gifting to someone special. The puzzle falls under the Toys & Hobbies category and is classified as a Brain Teaser puzzle. Get ready to put your cognitive skills to the test with this cube/twist puzzle that promises hours of fun.