A tippy tap is a simple device for hand washing with running water. In some countries people don’t have access to running clean water. This economical and effective station encourages proper hand washing. A container of about 5 liter with a small hole near the cap is filled with water and tipped with a stick and rope tied through a hole in the cap. As only the soap is touched with the hands, the device is very hygienic. During our lesson we worked in two groups. Upper primary pupils were able to build a tippy tap more independently following instructions whilst lower primary pupils received more help. Both groups had to do lots of digging, attaching and assembling. A great activity to work on team work!