Saturday, August 22, 2015, 9:30 a.m. to 5:00 p.m. Activities begin at 10:00 a.m. and conclude at 4:00 p.m. Simple machines are hiding in plain sight at the MMCM! Look for wheels and pulleys. Investigate gravity and force during parachute play. Use force and motion to create marble art. Build a ramp. What body part can be used as a simple machine? With regular paid admission. MMCM Members are free. Snacks available for purchase in the gift shop to enjoy in the lunchroom or the new Solar Pavilion.