touch and sound folder. What sounds of machines could children hear at the construction site? Folder, jackhammer, excavator, crane and steam cylinder. On each page there are up to two different, mostly textile materials that are pleasant to the touch and on each page there is also a necessary sound touch button, which is not required for strength. The real sounds of animals are of high quality. For children from 1 year. In this series of sound and touch publications, the folder was also published in the forest, my animals and animals at the North Pole.