Pack OO / 4mm / 1:76Laser Cut KitPack of 6 CulvertsFor OO Scale Model Railway LayoutsPre-cut Cardboard & Paper Kit - Easy To Build With Full Step By Step Instructions IncludedAn easy to build set of 6 culverts (2 small, 2 large with single pipe, 2 large with double pipe). Supplied in kit form with 3mm thick laser cut card base layers and high-resolution paper texture wraps to give a realistic brick finish.These are ideal for routing a stream or small river through a railway embankment etc on any OO / 4mm / 1:76 scale layout.