A lottery ticket is printed onto a conventional paper, card or similar
substrate to provide game information printed on the substrate and game
data printed on the substrate where some or all of the game data is
covered by a removable covering which can be removed by the player
generally by scratching a latex covering layer to expose the covered data
for playing the game. In addition, a battery is printed on the substrate
together with printed conductive paths, a powered element such lights or
sound or a changeable ink formed on the substrate and a switch responsive
to an action on the substrate by the player, generally scratching of the
covering layer for conducting power from the battery to the powered
element.