Taryana Set of Megaminx, Pyraminx and Mirror Magic Cubes ~ Irregular Shape ~ White GREAT FOR SHARPENING YOUR BRAIN - Help to improve your or child's brain 3-D visualization, logical thinking, memory, patience, reaction, and concentration. HIGH QUALITY MATERIALS - Made of high quality ABC plastic materials; Spring structured engineered design is made for fast but smooth rotation. Smooth corners eliminate risk of injury. INSTRUCTION E-BOOK - An Ebook file will be sent to your amazon mailbox explaining solution algorithms for Megaminx, Pyraminx and Mirror magic cubes in details. PERFECT GIFT IDEA - This Magic Rubik cube set makes a creative and perfect gift for kids (or even yourself!). 100% SATISFACTION GUARANTEE - If You're Not Completely Satisfied, We Will Refund Your Money or Replace the Item for You!