Erector Evolution 4 x 4 Vehicle Build an amazingly detailed, fully functioning off road 4X4 that you can actually play with and enjoy Full function rack and pinion gear steering and heavy tread, soft rubber wheels for ultimate maneuverability in any terrain Working front winch with hook to pull out the heaviest loads Comes complete with customizing decals, assembly tools and a detailed instruction booklet to build 2 models 320 pieces, for ages 8+