Your old grandfather was returning late at night from his friends, and he reached to his home to sleep on a nearby hill. Your task is to try to wake him up, so he went to his home to sleep. As you do this, if Grandpa is sleeping soundly baby - it is and you have to solve. Try to perform various manipulations with the materials at hand to gently push him down a hill and wake. Connect all your logical thinking to solve the problem and then continue his grandfather's sleep in a warm bed.