This is a LEGO Green Project Case with a 10x10 Green Base-plate, measuring 12 5/16 inches in length and 13 inches in width. It was manufactured in 2013. The container is made of plastic and is suitable for storage and display purposes. It also comes with a base-plate and is designed for LEGO enthusiasts aged 5 and above. This item is a perfect addition to your LEGO collection and is ideal for keeping your bricks organized and secure.