A "FoxTrax" NHL regulation Hockey puck is seen Thursday, Jan. 18, 1996, during its unveiled in Boston. The new puck is indistinguishable from a regular one in physical appearence, but has a spot-lighting feature that makes the puck turn into another color when viewed on a television. The new puck will be used at the upcoming NHL ALL-Star Game Saturday, Jan. 20, 1996, at the FleetCenter arena in Boston. (AP Photo/Dan Loh)
A "FoxTrax" NHL regulation Hockey puck is seen Thursday, Jan. 18, 1996, during its unveiled in Boston. The new puck is indistinguishable from a regular one in physical appearence, but has a spot-lighting feature that makes the puck turn into another color when viewed on a television.