Patent ID: 7846002
Filing Date: 2010-12-07
Classification: A63H

Abstract:
1. A block apparatus comprising: a body formed from an elastic material; a first light source and a second light source located within the body, the first light source being a different color than the second light source; first and second conductors to conduct electricity though the body from an adjacent block to supply power to the first and second light sources; and first and second contacts located adjacent a surface of the body and coupled to the first and second conductors, respectively, the first and second contacts being configured to provide electrical connection to a pair of contacts of the adjacent block in either one of a first polarity and an opposite second polarity orientation, the first light source being illuminated and the second light source being non-illuminated when the first and second contacts are coupled to the pair of contacts of the adjacent block in the first polarity, and the second light source being illuminated and the first light source being non-illuminated when the first and second contacts are coupled to the pair of contacts of the adjacent block in the second polarity.