If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Start assembling your own train with the set of objects Just click over the object with the help of mouse and place them at the appropriate position. You have the track, train and its compartments, dolls, ball and other articles to be assembled in its position. Make the train ready for a ride and make it run before the time lapses and move on to the next level. You may utilize the hint provided above if needed. You have option of choosing the background (season) either sunny, winter or rainy season.