Hocus-pocus! Play and learn subtracting numbers!

In the store of the witch, play counting and subtracting all the objects there are left. With all the visitors and their demands, no doubt you’ll end up impressed! An innovative way to get more familiar with the second most basic math operation: subtraction. As the different characters from popular tales come and take what they need from the shop, there are fewer and fewer objects left, and the reader can get comfortable with the changing numbers.