Using the Sharper Image Laser Tag Handtank Blast Pack is easy. First, insert 3 'AAA' batteries into each blaster (batteries are not included). Then, select your preferred team color from the 7 available options on your device to join a team. Once you're in a team, start the battle. Each player has 6 lives and 6 bullets per reload. When your bullets run out, just reload to keep the action going. Remember, since the batteries are not included, make sure to have some on hand before you start playing. Also, keep the blasters away from water and rough handling to ensure they last. If you notice any issues with the blaster, check the battery connection first.