This fits your. Make sure this fits by entering your model number. PERFECT FOR: Testing both your patience and mental skill, brings more challenges and provides hours of fun, it is an extra challenging because as it is scrambled it changes shape, turn and twist the sides so that you return it back to its original shape. EDUCATIONAL: Foster your sense of space and activate your imagination and creativity. CHALLENGING & FUN: The pieces shape shift making it look like a mess, but once you solve it, it magically becomes pentagonal shaped again, with improved anti-pop technology and structure for extremely fast and smooth cornering, 3¼' diameter. GREAT FUN: Way to develop kid’s logical relationship and thinking, increase the intelligence of the kids, release the working pressure of the adults, help prevent a decline in memory of the elderly. GREAT FOR: Kids, adults, gifting, Christmas, office, house warming, puzzle lovers, this classic puzzle game will never go out of style.