This is the LEGO TECHNIC Bucket Wheel Excavator, which is no longer in production. The product number is 42055. This is a very rare, brand new, unopened item. The original factory seal tape is still in place. Although it is new and unopened, there may be some minor scratches due to aging. Please check the condition in the images. This item was stored at home after being purchased new, so please understand that it has been handled by a person before purchasing.