Build a classicD7-type 3-ton crawler dozer in1/25 (1:25) scale. Suppliedunassembled & unpainted. Wash parts (warm soapy water), rinse, dry to remove mold-release/print residue. If any parts are 3D-printed: before removing support sticks,soak in warm water (~40–50 °C / 104–122 °F for 2–5 min) so supports release cleanly;pat dry before sanding/priming.