If you've already invested in the Gandalf stamp to gleefully mark the papers of failing students, then you might want keep this Pokemon stamp on hand for when your pupils actually study. Etsy seller Jocelyn does it again with a fresh round of self-inking stamp geekery. This one will set you back $12. [Etsy via BuzzFeed]
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Blah! I was going to pick one up, but you need a PayPal account. Who even uses that anymore?