All sums have been carefully chosen and are in line with the curriculum of a child of 4 years old. The special grade system ensures that children can practice independently. Because of the color and the special backside of the cubes it only fits on the right place.
I'm learning to calculate' contains 15 cards with 83 assignments on 6 different levels: counting, adding, making minus sums, recognizing numbers, reading and multiplying numbers. All neatly stored in a handy case. So you can take the game with you wherever you go.