In every LEGO video game after 2005 contains a canister, artifacts, ship in a bottle or something else that you will be able to collect in levels. Some can be gained in Story Mode, while others must be collected in Free Play mode. Most games have 10 canisters in levels, though some have 5 of the respective canister substitute. Once all canister/canister substitutes are collected, a large stud bonus is awarded, and it create a structure for you to view in most LEGO games, however, in LEGO Star Wars 3, the canisters will build you an unlockable character from original Star Wars trilogy. Every time all minikits are collected in a level you gain a gold brick.