A lamp assembly, particularly for an entertainment machine, is made from
one or more LEDs soldered to a printed circuit board (pcb). The pcb has an
edge region with contacts which is constructed to fit into a lamp holder.
The lamp assembly can be used in substitution for a conventional
wedge-based push-fit bulb. The pcb edge region may be constructed so that
it can only fit one way round in the lamp holder, or the pcb may include
circuitry which allows connection either way round (either polarity).
