click on the Toca Boca characters then drag them to play and to go to the next room press the arrows if you keep press your'll fine a room. if you press a on the keyboard the worker can change.there is the mom, dad ,baby ,big sis ,lil sis and lil bro. and there are some secrets to the game you can find out
btw go check out my other Toca Boca game here https://scratch.mit.edu/projects/1196499454