50 units of large cubes with a magnetic face, in 10 different colors (5 units of each color), which can also be combined with the large ones no
Over all, this is just a wonderful app, i was stuck on homework and this helped me through it, really hecking good. This app is amazing, I use it at school to double check work and if I have done something wrong, I can check the steps and see where I went wrong.