Demon Wonder Box

Demon Wonder Box (or Silk Wonder Box or Gizmo Box) is a production box for silks, with flaps on the front, back, and top in order to show empty.

Max Holden's version, Ad in Linking Ring, August 1934

First marketed by Davenports & Co. of London as part of their "Demon Magic" line.

Publications

• Silk Wonder Box, Greater Magic (1938)