Challenge a friend to disc-dropping fun with the classic game of Connect 4! Drop your red or yellow discs in the grid and be the first to get 4 in a row to win. 4. If your opponent is getting too close to 4 in a row, block them with your own disc!Whoever wins can pull out the slider bar to release all the discs and start the fun all over again! You can keep your kids engaged in this Bingo 4 in a line game throughout the day.