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Multimedia credited to NPS without any copyright symbol are public domain. Multimedia credited with a copyright symbol (indicating that the creator may maintain rights to the work) or credited to any entity other than NPS must not be presumed to be public domain; contact the host park or program to ascertain who owns the material.
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Enjoy an addition game that takes place within the confines of a box. This game was developed for play while on a rocking and rolling ship on the water. Make a version of this game to play at home.