6.6 cm x 6.6 cm x 6.6 cm / 2.6 in x 2.6 in x 2.6 in
Packaging
Cardboard Box
The mf8 Son-Mum 4x4 II can still function like a regular 4x4, but if you turn one or both of the middle layers half way, you can unlock new moves and also scramble the inner pieces! A difficult variant in the Son-Mum series.