Fisher-Price Mega Blocks Work Site 31-Pieces ?Little builders will be ready for their next big job when they build a busy construction site and help a friendly block buddy construction worker stack, load and haul! Build the work yard, adding a tall skyscraper block by block. Then load the big boulder in the tilting bin. Next, drive out of the swinging door with your rolling dump truck, and tip the boulder out of the bin to dump it into the truck bed below!