Show your students some geek love with this clever custom made "You Shall Not Pass" stamp, which features a mini-Gandalf icon next to the words, just in case they're unsure about the origin of this quote. It's a fun way to bring a little levity to the classroom, even if it takes a failing grade to "earn" the stamp . You can pick up this cute stamper at the seller's Etsy store starting March 5th. Link --via Super Punch