The younger generation are the hope of the country and so the parents must let them play. This will help in developing their attitude towards life. If they want to play monster truck then let them be because that will play a role when they become adult.
Drive your truck as fast as you can and get to the finish line in the least possible time. Since this is just about toys, don't expect that your truck will crash. Try to collect as many stars as you can while going to the finish line.