The colorful training train leaves the platform of the Math Train Addition game and you just need to catch it, and you will be the one who will allow the train to move successfully. In the first car, next to the engineer, there is a bright balloon on which a mathematical example is written. After passing some distance, you will see several plates with different numbers. When you find yourself under the number that you consider to be the answer for this example, press and release the ball, you cannot miss, even if the answer is correct, otherwise it will not be reckoned. Collect stars for the allotted time.