"My OH bought the Bucket Excavator for himself, being an avid Technic fan. It took him a considerable amount of time to build, taking a few hours out each night. Like the other reviews have said, this is a beast of a machine. Sadly it does struggle with one powerpack, as it’s a hefty build, but we were expecting that having read up in advance. Everything DID work though.
After realising it wasn’t going to fit on our unit with the rest of the Technic (it’s too tall), I dismantled the A model, and built the B model Aggregate Plant instead. I found it quite challenging, being a newbie to Technic, but the results were impressive. The motor functions work extremely well in this build, and it’s also a much more sturdy feeling structure. However, the one downside to the B model is all the leftover Lego. It doesn’t use around a fifth of the pieces for B model, leaving quite a pile to be stored away (or used for a custom build). But it does look great on top of the unit, and both of us got hours of fun out of it to boot!"