Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 29, 2009
Patent Application Number
11708920
Date Filed
February 20, 2007
Patent Primary Examiner
Patent abstract
A toy device unit that includes a pair of stacked transparent plates coupled to a housing. A user can write images on each plate. Mounted to the housing is a first light source aligned with an edge of the first plate and a second light source aligned with an edge of the second plate. The unit has a switch that can be moved by a user to illuminate either the first plate or the second plate.
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