Abstract: The present invention relates to a cigarette cutting device, comprising: a casing; a cavity within the casing configured to fit onto a lighter; a hole extending through the casing configured to allow an inserted cigarette to pass through an interior space of the hole; a cutting blade configured to extend into the interior space of the hole; and a push button; wherein the push button may actuate the cutting blade to extend into the interior space of the hole to cut the inserted cigarette.

Abstract: A modular construction system comprising: a main connector having a body and an integrally formed rod, the rod having a rod tubular body, a rod insertion end, and a rod hollow chamber traversing the rod from the rod tubular body through the rod insertion end, and wherein the rod is radially disposed about the body; a plurality of main bars, the main bars having a first receiving end, a main bar tubular body, a second receiving end, a main bar hollow chamber traversing the main bar from the first receiving end through the main bar tubular body to the second receiving end, at least three main bar longitudinal sides, a plurality of apertures on the main bar longitudinal sides, and at least three main bar grooves between adjacent main bar longitudinal sides, the main bar grooves being parallel with the main bar tubular body and the main bar hollow chamber.