Even the toughest challenges on the construction site are no problem for this sturdy LEGO Technic Heavy Excavator! View the cab, rotate the hull of the vehicle and move the arm just like a real excavator. Raise and lower the shovel to transport the stones and use the 4 cones to mark your route. Ready for a new challenge? Then rebuild your model into a cool tractor with tracks and rear loader. Looking for a special gift for kids who love construction toy sets? This 2-in-1 LEGO Technic Heavy-Duty Excavator (42121) toy has plenty of features for hours of creative play. Boys and girls aged 8 and up will enjoy an immersive building challenge before exploring the digger toy's realistic features. Digging, driving, rotating; there's so much to discover in this cool kids' excavator toy. Check out the shovel that moves up and down, plus the movable arm, running belts and rotating body. There’s also a detailed cabin with a driver’s seat and control panel. The set comes with extra LEGO brick ‘stones’ to dig and 4 cones. When it’s time for a new challenge, the model rebuilds into a tracked tractor with backhoe. The LEGO Technic universe offers advanced building toys for LEGO fans ready for their next challenge. With realistic mechanisms, these rewarding sets are a great way to introduce kids to the world of engineering. - Whether it’s a birthday, Christmas, or ‘just because’ gift, young construction fans will love building and exploring this 2-in-1 LEGO Technic Heavy-Duty Excavator (42121) toy set. - - Packed with realistic features, this digger toy set lets kids see how construction vehicles really work. Check out the moving shovel and arm, plus running belts, just like on a real excavator. - When kids are ready for a new challenge, the 2-in-1 toy model rebuilds into a tracked tractor with backhoe. - This cool excavator toy for kids is ideal for boys and girls aged 8 and up who love construction vehicles. - - With the authentic cabin and control panel to explore, it’s easy for kids to imagine life on a construction site with this cool excavator toy. - Role-play is easy with this cool set. There are 4 cones to manage the building site, plus extra LEGO pieces to use as bricks for scooping up with the digger truck toy. - This kids' excavator toy model measures over 9 in. (23 cm) high, with arm up,14.5 in. (37 cm) long, with arm fully extended, and 4 in. (11 cm) wide. - - The LEGO Technic universe opens up the world of engineering for young LEGO fans ready for their next building challenge. - LEGO components meet stringent industry standards to ensure they are consistent, compatible and connect reliably every time – it's been that way since 1958. - LEGO components are dropped, heated, crushed, twisted and analyzed to make sure they meet strict global safety standards.