Each level of the house is detachable, and the walls and roof open up for easy access. The set includes five mini-figures of Kevin McCallister, mom Kate McCallister, crook Harry and Marv and neighbour Old Man Marley, plus Harry and Marv’s van with a crowbar and police hat elements inside. With 3957 pieces, this is the biggest Ideas set so far and the bricks are divided into bags following the movie’s plot, so you can relive the story as you build during the holidays. An LR41 battery is included for the LEGO light brick that illuminates the furnace. Features: Buildable models of the McCallister's house Walls and roof open up for easy access Included a battery to illuminate the furnace Specifications: Dimensions: H:27.0 x W:34.0 x D:37.0 cm Guarantee:1 Year Material: Plastic Model Number: 19106RG Self Assembly Required: Yes