







🚧 Build Bold. Play Smart. Own the Site.
The LEGO Technic Heavy-Duty Excavator 42121 is a 569-piece, 2-in-1 building kit that recreates the authentic mechanics of a real excavator with moving shovel, arm, and running belts. Designed for kids 8 and up, it offers immersive play with a detailed cabin and control panel, fostering teamwork and problem-solving skills through a challenging, rebuildable construction set.









| Product Dimensions | 28.2 x 26.2 x 7.6 cm; 640 g |
| Batteries | 2 AA batteries required. |
| Manufacturer recommended age | 3 years and up |
| Item model number | 42121 |
| Educational Objective(s) | Team Building Skills |
| Language: | English |
| Number of Puzzle Pieces | 569 |
| Assembly Required | Yes |
| Scale | LEGO® TECHNIC |
| Batteries Required? | No |
| Batteries Included? | No |
| Material Type(s) | Plastic |
| Remote Control Included? | No |
| Radio Control Suitability | indoor |
| Color | Multi-colour |
| Release date | 1 March 2021 |
| ASIN | B08G4CKL16 |
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