HEAT CHANGE MUG: Enjoy retro refreshment while gaming with this Nintendo Game Boy heat change mug. Simply add a hot drink to see the screen of the classic handheld console load up with a game. HOT ITEM: For coffee lovers, the tea obsessed, or hot chocolate connoisseurs, the perfect mug makes every sip even better. Show off your style or give to friends for birthdays or any fun occasion. BOXED & READY TO GIVE: This 10 oz. mug comes in a decorative box for gifting. Hand wash only to keep your collectible like new. Not safe for microwave use. Caffeine not included. OFFICIALLY LICENSED MERCHANDISE: This quality collectible is a unique addition to any fan's set. Give this cool collector's item to moms, dads, fans, grads, kids, guys & gals who love pop culture fun! ORIGINAL GIFTWARE: For those in the fandom looking for novelty items and all things geek, crazy, and unique, Paladone is your best source for top-selling toys, mugs, collectibles, and novelties.