Pack Of_2 Rubik Cube | Plastic | Creative Toys | 5+ YearsPack Of_2 Rubik Cube Plastic Creative Toys Color: Assorted, Material: Plastic Difficult to pop,good control of the cube, comes pre lubricated and tensioned. Great corner cutting ,Tension adjustable. It doesn't corner twist as often nor does it lock up Can foster your kid's sense of space and enhance a child's memory, to release the working pressure of the adults, to help prevent a decline in memory of the elderly.