Relatively small : 34 cm, this work can fit on small networks. A river can flow under the bridge. POSSIBILITY TO PUT THE ROAD UNDER THE VAULT. It is engraved with stone and lies on two abutments. Four small walls, included in the kit and modeled in resin, frame the guardrails made of brass. This kit includes : an arch, two tympanums, four walls, two abutments and two sets of guardrails made of brass.