Green Stuff World MDF Boxes - Sci-Fi Crates Futuristic Sci-Fi crates made of a combination of high quality MDF wood and extra hard cardboard; laser cut with precision. This modelling accessory allows you to easily construct your own crates using fully detailed parts. Some parts have health and ammunition symbols, making them perfect for wargames to enhance gameplay, as well as scenery for creating cover. You can build up to six sci-fi crates. Four large square boxes and two smaller rectangular boxes. The large crates are 27x27x27mm and the small crates are 16x16x28mm. See Description