The Science Museum features seven floors of educational and entertaining exhibits, including the Apollo 10 command module and a flight simulator. The Wellcome Wing showcases developments in contemporary science, medicine and technology. The Medical History Gallery in the museum’s attic contains a substantial collection of medical history treasures. Pattern Pod introduces under-eights to the importance of patterns in contemporary science and Launch Pad is a popular hands-on gallery where children can explore basic scientific principles. Exhibits in the Exploring Space galleries include the three-metre-high, 600kg Spacelab 2 X-ray telescope that was flown on British space missions and full-scale models of the Huygens Titan probe and Beagle 2 Mars Lander.