Justin Bieber Auctions Boa Constrictor for Charity

Justin Bieber with his pet snake

Jeff Kravitz/FilmMagic

updated 11/09/2011 AT 11:00 AM ET

originally published 11/09/2011 AT 4:30 PM ET

Justin Bieber is giving away his baby boa constrictor to the highest bidder – all in the name of charity.

Bieber introduced Johnson the snake on the MTV Video Music Awards black carpet in August and is now putting the peach-colored reptile on charity auction site charitybuzz.com, with an estimated value of $1,000.

Money generated from the sale of the slithering creature will benefit Pencils of Promise, a nonprofit group that has built more than 30 schools around the world.