What costs $9,000 and fights cavities on the moon?
The answer: Buzz Aldrin's toothbrush from the Apollo 11 trip to the moon.
The toothbrush that Apollo 11 Lunar Module Pilot Buzz Aldrin used when he became the second man to walk on the moon in 1969 will be auctioned off April 18 at Heritage Auctions in Dallas along with dozens of items used by NASA astronauts on Apollo missions in the 1960s and 1970s.
Other items in the auction include NASA log books, astronaut's tools and a custom Fender Stratocaster autographed by a dozen astronauts.
The bidding for Aldrin's toothbrush starts at $9,000 and could go as high as $24,000.
You can view this and other items in the auction online at the Heritage Auctions website.