LEGO is cool, science is cool, and space is cool. Mash them together and you get LEGO Ideas proposals like the International Space Station. Assuming it scores enough points to get through the screening process and become a real kit, the ISS will include about 1,000 pieces for faithfull reproducing the the space station with details like movable solar panels, a robotic arm, station modules you can rearrange, Soyuz and Progress space capsules, minifig astronauts, and more. You can use the parts to build the MIR and Chinese space stations, too. Bonus: One of LEGO's next Ideas kits will Leonard and Sheldon's apartment from Big Bang Theory.
Check It Out: LEGO Ideas: International Space Station