A LEGO block is a type of interlocking plastic brick that can be used to build structures and models. It is often used in games, such as LEGO-themed board games, or as part of a larger game, such as a role-playing game. An ICE block is a type of block made of ICE that is used in various games, such as curling or ICE hockey. Both LEGO and ICE blocks are popularly used in games, and can provide hours of entertainment for players of all ages.