TechnicHeavy-Duty Excavator (42121)

LEGO Heavy-Duty Excavator (42121)

Set Info

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.

Buy this set for € 32.90 at »
This is the cheapest delivered at home option for Germany for ~€ 37.62

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Pricing Info

Current price€ 32.90 € 4.09
Lego retail price€ 39.99(7.03 ct/brick)
Highest price ever€ 115.99
Lowest price ever€ 22.23
Price is 18% below the initial Lego retail price, a € 7.09 discount!
This comes down to 5.78 cent per brick.
Current pricing since November 27th 2022
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Set price per store

~ means with approximated delivery cost and VAT differences, as the actual delivery costs might vary due to item weight and/or dimensions.
Prices and availability may have changed since the last update. Order is purely based on price, compensation by partners has no influence whatsoever on this. Only with equal prices can historical performances influence the order.

No local delivery

The Heavy-Duty Excavator (42121) Lego set is available from the sites below. However, they do not offer delivery to your selected region.
Sometimes you can still order though by using forwarding services like Borderlinx / Forward2me etc..

No longer directly available

The Heavy-Duty Excavator (42121) Lego set is no longer directly available from the sites below. However, 3rd party partners of these sites might still have the set available.

Store Name Rating Last Price Last availability
€ 36.99Nov 26, 2022More info
€ 39.99Nov 25, 2022More info
€ 39.99Nov 25, 2022More info
€ 41.50Nov 24, 2022More info
€ 39.99Nov 24, 2022More info
€ 39.90Nov 24, 2022More info
€ 39.00Nov 24, 2022More info
€ 39.95Nov 24, 2022More info
€ 34.99Nov 23, 2022More info
€ 34.95Nov 23, 2022More info
€ 39.99Nov 21, 2022More info
€ 29.49Nov 21, 2022More info
€ 29.99Nov 21, 2022More info
€ 39.99Nov 20, 2022More info
€ 40.21 / £ 34.99Nov 20, 2022More info
€ 39.99Nov 20, 2022More info
€ 39.99Nov 20, 2022More info
€ 39.99Nov 20, 2022More info
€ 39.99Nov 20, 2022More info
€ 47.99Nov 16, 2022More info
€ 39.99Nov 09, 2022More info
€ 34.99Nov 08, 2022More info
€ 31.50Oct 29, 2022More info
€ 30.00Oct 18, 2022More info
€ 34.90Oct 17, 2022More info
€ 36.75 / £ 31.99Oct 17, 2022More info
€ 39.99Oct 17, 2022More info
Sep 27, 2022More info
€ 29.99Jun 27, 2022More info
€ 32.19Mar 30, 2022More info
€ 36.00Jan 01, 2022More info
€ 44.99Oct 23, 2021More info
€ 39.99Oct 15, 2021More info
€ 40.86 / £ 34.99Sep 30, 2021More info
€ 38.66 / £ 32.99Sep 22, 2021More info
€ 42.99Jun 21, 2021More info


Set Title

LEGO 42121 Heavy-Duty Excavator

Alternate descriptionAn engaging 2-in-1 building challenge for construction fans
Monitoring sinceFebruary 2021
Building instructionsDownload the building instructions for the Lego Heavy-Duty Excavator (42121), including alternate build(s)

User comments about Heavy-Duty Excavator (42121) - ****- (4)

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****-It's a really beautiful build, with some useful pieces for playing. Only problem with I suppose most excavators, is that it's all but impossible to actually pick anything up.

Heavy-Duty Excavator 42121 Features

  • 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.

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