Put the deck of flashcard in the middle, then ask student take turn in taking the card, make a sentence based on the word displayed in the card.
There are two or more deck of flashcard on the desk. Each group can send two representatives for each deck of flashcard. There will be a circle target on the board with 1,2,3 number written on it. Then each representative will throw the sticky ball to the board. The other player can take several flashcards based on the number his/her pair hit, then put them in sentence. If he fails, their opponent can take the card and make a sentence from it. One successful sentence made from a flashcard, one point. The point can be convert to a step on the race track drawn on the board or simply just a point which will be added up later.