Give construction fans a treat with the lego technic heavy duty bulldozer construction set 42163'. '.strtoupper('i')nspired by real bulldozers, the yellow colour scheme captures the imaginations of new technic builders, encouraging children to develop new building skills'. '.strtoupper('a')uthentic details include the tracks and the blade, which children can lift and lower using the element on top of the bulldozer for imaginative play'. '.strtoupper('t')echnic construction sets feature realistic details that introduce builders to engineering in an approachable way'. '.strtoupper('t')his fun construction set is inspired by real bulldozers with realistic tracks and blades and lifting feature push the model along on its tracks as they create their own adventures features a moving blade that kids can lift and lower using the element on top of the vehicle lego technic features realistic mechanisms to introduce young builders to the universe of engineering piece count 195 includes 1x lego technic heavy duty bulldozer approximate dimensions 4.6 x 12.2 x 14.1 cm suitable for age 7 years