Puzzle Cube, Ideaker 3x3x3 3D Carbon Fiber Sticker Speed Smooth Magic Cube Puzzle Cube Black 57CM Brand new 3x3x3 Carbon Fiber Sticker Speed Smooth Magic Cube Puzzle Cube. Made of durable and environmentally friendly ABS plastic material Light weight and great hand feeling design. Excellent performance for competition or entertainment. Use Traditional educational way to develop kids logical relationship and thinking.