MoYu AoSu GTS2 M Cube 4x4 [AOSUGTSIIM4] - $39.99 : David Cube, The Best Speed Cube Source for You - Global Retail & Wholesale Cubicle Store
MoYu AoSu GTS M 4x4x4 Magnetic Stickerless Speed Cube_4x4x4 & Up_Cubezz.com: Professional Puzzle Store for Magic Cubes, Rubik's Cubes, Magic Cube Accessories & Other Puzzles - Powered by Cubezz
Moyu Aosu WR M 4x4 - Magnetic 4x4 Speedcube - Cuboss.com