4.5
(18.943)

LEGO® 42121 Heavy-Duty Excavator

Specifications

  • Brand: LEGO
  • Theme: Technic
  • Ages: 8 - 99
  • Total parts: 569
  • Launch Date: 01-03-2021
  • Weight: 617 gram
  • Dimensions: 26,20cm x 28,20cm x 7,60cm
  • EAN code: 5702016890976
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Description LEGO® Technic: Heavy-Duty Excavator

Take on the toughest construction site challenges with this rugged LEGO® Technic Heavy-Duty Excavator. Check out the driver’s cabin, then rotate the body and move the arm just like on a real excavator. Raise and lower the shovel to transport the stones and use the 4 cones to mark out your route. Ready for an exciting new challenge? Rebuild your model into a cool tracked tractor with backhoe.

  • 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
  • Roleplay 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 analysed to make sure they meet strict global safety standards


This heavy-duty excavator building kit makes the perfect gift for any kid who loves construction toys and big machines. Boys and girlswill love creating exciting missions for their heavy-duty excavator, with its many authentic details. See the excavator's body rotate through 360°. This model moves like a real excavator. Raise and lower the shovel to transport the stones. The model rebuilds into a tracked tractor with backhoe. See the belt tracks, just like on the real thing. Role play is easy with the realistic tractor model. Playtime lasts even longer as kids rebuild the excavator model into a tracked tractor with backhoe.

Construction manual 42121
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Parts from LEGO® 42121 Heavy-Duty Excavator
LEGO® 303224 Plate 4 x 6
$0.55
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LEGO® 302324 Plate 1 x 2
$0.08
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LEGO® 6284699 Axle and Pin Connector #1
$0.24
  • LEGO Axle and Pin Connector #1
  • LEGO Axle and Pin Connector #1
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LEGO® 302226 Plate 2 x 2
$0.16
  • LEGO Plate 2 x 2
  • LEGO Plate 2 x 2
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