The various dots flowers, squares and stars dots have to be positioned according to the model. This is not that easy because the dots have to be moved to a...
Everything's turning, everything's moving. The direction is determined by the child and if everything is arranged correctly, then everything actually happens as planned. The shifting and driving of cogwheels has...
For most people, getting into the world of addition and subtraction is anything but easy. At first, the abstract world of the numbers appears to be enigmatic and incomprehensible. With...