Version 3 has an option to build the payload fairing or the Dragon manned/cargo capsule. The graphics and some construction details are slightly improved.

Simple 1:100 scale version of the Falcon 9 launch vehicle, privately developed by SpaceX corporation. Their goal was to start with a clean sheet of paper and design/produce the lowest cost launch vehicle. The launcher is designed to be capable of unmanned or manned launches and has been proposed as a shuttle replacement for ISS resupply and crew swaps. SpaceX has been awarded a contract from NASA for unmanned resupply mission to the ISS. More information is at www.spacex.com .