INVERSE: REFLECTRON - Difficulty Level: Hard. Redefine traditional cuboid designs with this mirrored-finish marvel that morphs into a myriad of captivating forms. The uneven segments shift as you play; and with no colors to guide you, the Reflectron is a challenge of epic proportions! The highly difficult puzzle is solved when all six sides are even and squared off like a cube. Each twisty puzzle in the Inverse line is designed with a unique shape and solving mechanism. These puzzles also look great on a shelf when not in use - the cleverly designed hinged packaging functions as a display case for your Reflectron between bouts of puzzle play. The brightly colored packaging makes it a great gift ? especially for teens! PROJECT GENIUS: Designed by Project Genius, a U.S.-based, woman-owned business, proud to excel as a leading manufacturer of innovative mechanical puzzles and strategy games. We are honored to support a dedicated work program for young adults with Autism, empowering them to contribute their unique talents to our creative endeavors. Your purchase goes beyond the puzzle ? it extends to making a positive impact on our inclusive and diverse community. Thank you for being a part of our story!