DaYan Skewb V2M Maglev UV 70mm Solving a teraminx typically involves

Solving a teraminx typically involves methods similar to solving a 7x7 cube: solving centres first

This version is the magnetic version

If you want the lowest price

The ShengShou YuFeng 2x2 is a magnetic 2x2x2 speedcube from ShengShou

but also 24 core-corner magnets which add even greater stability to the puzzle

DaYan Skewb V2M Maglev UV 70mm Solving a teraminx typically involvesDaYan have not made a Skewb for a very long time but they have made some good puzzles in the past few years so this does look promising. This is the UV coated version which alters the exterior feeling of the cube to reduce scratching and make it feel different.