These parts are intended to be used in building a 1/24 model of the Lunar Rover (LRV). These are sample bags located on the aft pallet of the LRV for the Apollo 17 mission. These bag were designed by Max Grüter and adapted to fit the LRV. For indications on building the model please refer to http://spacemodels.nuxit.net/1-32 LM . For Max Grüter astronaut to fit the LRV please refer to https://www.shapeways.com/shops/grueter .