7x15x2" deep box holds 6.5x15" tin litho base w/tunnel. 2.5" long windup bulldozer also included. By TPS, Japan, 1960s. Colorful box has some creases, a few color rubs on edges and both corners on right side have tears w/one corner having 1" tear along top edge. Still displays Fine. Colorful tin litho base shows same scene as lid, a busy construction site w/all sorts of machinery, cement mixers, cranes, road rollers, etc. This base has numerous small lengths of tin attached to it and when bulldozer is wound up by use of the built-in winder and released, it follows this track all the way around and back again in continuous motion. Bulldozer and track are N. Mint.