SteckLÜK - The learning game with coloured self-control With 30 age-appropriate assignment exercises each. 5 sets of cards each for kindergarten, pre-school or primary school as a supplement available. To promote precise observation, concentration, logical thinking, German and maths. Easy handling, immediate solution control, for home and on the road. This is how it works: There are two rows of 6 pictures each. 1 image from the top row and 1 image from the middle row fit together. The task is to find pairs. The 6 pairs are marked with the colour frames. To do this, you put e.g. the blue color frame on the picture in the middle row that matches the blue bordered picture in the upper row. If all pairs are found, the color control is done. For this purpose the slider is pulled down: Everything is solved correctly when the color frames with the color squares.