Just finished magnitising my mf3rs2. The magnets help with flexibility and the cube preforms much better. It's a shame moyu discontinued this cube. : r/Cubers
MF3RS2 3x3 [MAGNETIC] - Walmart.com
MoFang JiaoShi MF3RS3 Magnetic 3x3 Stickerless
Yuxin Little Magic 3X3 V2 Magnetic – rlcubeshop
Amazon.com: rlcubeshop MF3RS2 3x3 [Magnetic] : Toys & Games
CuberShop Moyu RS3M 2020 3x3 Magnetic Speed Cube, Stickerless Budget Magnetic 3x3 Budget Cube, MFJS Cubing Classroom Professional 3x3 Speed Cube (Moyu RS3 M 2020 Stickerless) Smooth & Fast Cube : Electronics