Abstract: A pre-programmed device and method for forming and displaying images includes: electrically powered light emitters in one or more rows that can be moved in a path generally perpendicular with the row of lights; a microprocessor(s) controlling the lights; motion or speed sensors which enable the display device; and a source of electrical power within, on, or connected to the display device is provided. The microprocessor turns the individual electrically powered light emitters on and off in a time-controlled manner to display graphics, words or messages when the display device is moved at or above a rate of speed required to be seen by humans.

Abstract: A golf club putter with a laser system for practising putting, comprising:(a) a putter assembly which comprises a putter head member comprising two laser ports on an anterior putting face of the putter head member; and(b) a compact laser system comprising two or more laser units, laser holders, a laser module, an on-off program switch, and a power source;wherein each laser unit is contained within a laser holder, and the laser holders are affixed to the laser module; the laser system is operable to produce parallel laser beams projected from the anterior putting face; the on-off program switch is connected to the power source; and the laser system is housed entirely in the putter head member; and whereby the laser beams are visible to assist a golfer during putting practice is provided. A space-saving circuit for the putter is also provided.