In the laundry room a water pipe is broken. July, Tim and Wilma go to the basement to shut off the main valve. Once that's done, they set off on the search for the broken water pipe. They are helped Wilma's special magnifying glass, with which one can see into walls and other items.
Using your mouse, you can discover and fix errors in the water pipes. In Level 5 you even have the possibility to equip the house to your own taste with sink, tub, toilet and heating and to lay a water pipe for it. You can what you have built test.