Twinkle light set

In combination, a twinkle light set, a plurality of standard bulbs and a plurality of non-standard twinkle bulbs, said twinkle light set comprising:

• alternately from one end of said light set to an opposite end of said light set, at least one standard bulb whether a conventional steady burning or a conventional flashing bulb, socket operatively receiving a standard bulb and at least one non-standard bulb socket operatively receive a non-standard twinkle bulb;
• said standard and non-standard bulb sockets being configured and dimensioned to operatively receive only standard and non-standard bulbs, respectively;
• the interior of said standard bulb socket being sized differently in at least one dimension than the interior of said non-standard bulb socket such that said standard bulb socket cannot operatively receive a non-standard bulb;
• and the exterior of each of said non-standard bulbs being sized differently in at least one dimension than the exterior of each of said standard bulbs such that said standard bulb socket cannot operatively receive a non-standard bulb.