This item contains combines a slot box with a Boston box base for USA half dollars (no lid). For magicians, a magical effect to make 4 coins disappear and reappear in front of a spectator's eyes. Okito box base, lid, and Boston box can be combined for use in a coin routine. The Slot box base provides additional effects not possible with other boxes, including making a single coin vanish and reappear in the box. Mix and match lid and base colors for a customized set. No instructions included, find a book or video on the Okito Box, Boston Box and/or Slot Box for more information on how to use these items.