Ed. Note: Cross-posted from the Let's Move! blog.
Something exciting is happening today on the South Lawn of the White House. In partnership with National Geographic Kids Magazine, First Lady Michelle Obama will launch a challenge to help break the Guinness World Records® title for the most people doing jumping jacks in a 24-hour period.
You can watch the jumping jacks kick-off live beginning at 2:00 p.m. EDT at WhiteHouse.gov/Live.
Fonte: White House