A gaming device having a primary game with a bonus triggering event that affects the outcome of a secondary or bonus game. The number of symbols in the bonus game is dependant on the number of bonus triggering symbols in the bonus triggering event. After generating a number of bonus triggering symbols in the base or primary game, the gaming device animates the bonus triggering symbols and generates a related number of bonus symbols. The gaming device provides an award based on the combination of the bonus symbols.