There are many puzzles that improve the mind power of children. However, there is one that does not need an introduction. Sporting a colourful and compact cube with 6 faces, each divided into 9 cells, this is the Rubik’s Cube with each face showing a different colour. Explore the kid's online classes for Rubik's cube today Piggy Ride brings various kids online classes, based on age, level of skill, and interest of kids. You can choose from a variety of interactive live classes including dance, music, yoga and many other activities.