By Martin Schneider, dealnews contributor We've got a whimsical roundup of fun, frivolous gifts for your geekier friends. Our picks include gag T-shirts, a bartender's kit made to look like a chemistry set, an iPhone arcade attachment, and more, all of which are functional and nifty. For as long as the holiday season lasts, be sure to bookmark our daily gifts guide tab and check back for more great gift ideals. iCADE Jr. Arcade Cabinet Store: ThinkGeek Price: $19.99 with free shipping Lowest By: $30 Is It Worth It?: ThinkGeek, the premier purveyor of smart novelty items for the internet age, has the perfect gift for the video game fan in your life. You won't need quarters to play the with the Editors' Choice iCADE Jr. Arcade Cabinet, which turns your handheld Apple device into an old-school arcade game. You can play Pac-Man, Space Invaders Infinity, Dodonpachi Blissful Death, and dozens of other games available in the iTunes Store. The cabinet fits seamlessly with the Apple iPhone 4/4S and the 4th generation iPod Touch, and (if you leave the top lid hinged back) it fits the iPhone 5 as well. If you like the iCADE Jr. Arcade Cabinet, you might consider getting the Power-Up Arcade Light Switch Plate, which will convert your boring old light switch into a nifty, colorful arcade joystick (that lights up, too!) Get it from ThinkGeek for just $14.99, which is the lowest total price we could find. This light switch features arcade sound effects and is powered by two AA batteries, which are included. Like the Arcade Cabinet, this is also an Editors' Choice. Cocktail Chemistry Set Store: ThinkGeek Price: $19.99 with free shipping Lowest By: $15 Is It Worth It?: Drinking is serious business, so leave it to ThinkGeek to give budding home bartenders an amusing specialty cocktail set that recognizes that properly. This delightful cocktail chemistry set is an Editors' Choice deal and includes a 20-oz. Erlenmeyer flask, 10-oz. shaker, glass mixing rod, metal bottle rack, and four 2-oz. test tube shot glasses. You can channel Dr. Frankenstein, Dr. Horrible (of the Sing-Along Blog), Dr. Detroit, or Dr. Johnny Fever while you mix endless vodka martinis for yourself and your buddies. LEGO Star Wars Super Star Destroyer Executor Store: Walmart Price: $309.99 with free shipping Lowest By: $10 Is It Worth It?: Here's the ultimate LEGO gift for the Star Wars obsessive in your life. Yes, at $309.99 it's not exactly cheap, but it's $10 under last week's mention and most merchants charge $380 or more. This model of Darth Vader's personal flagship comes with a whopping 3,152 pieces, and the details on this baby are astonishing indeed. It has a removable center section that reveals the super star destroyer's command center, and it comes with five mini-figures, including Darth Vader, Admiral Piett, Dengar, Bossk, and everyone's favorite intergalactic bounty hunter, IG-88. LOL Shirts End of Season Clearance Sale Price: $8 Shipping: Free shipping Is It Worth It?: Sure, we've all seen ironic T-shirts, but the selection at LOL Shirts is particularly brainy and clever. For example, one says "I am silently correcting your grammar" (perfect for the grammar nut in your life); others reference MS-DOS, Super Mario Bros., pi, and Settlers of Catan. (Don't worry, they're not all super-smart; a bunch of them are about beer, big butts, and bacon — known around here as the "three B's" of the amusing T-shirt world.) During its End of Season Clearance Sale, all T-shirts are discounted to $8 each, which is the best sitewide discount we've seen from LOL Shirts this year, if you exclude Cyber Monday. They're available in sizes S to XL; sizes XXL to 5XL cost a little extra. EF 24-105mm Lens Coffee Mug Store: Meritline Price: $9.99 with free shipping Lowest By: $2 Is It Worth It?: We've seen plenty of whimsical coffee mugs before, but the detail on this one absolutely takes the cake. At a glance, you would never know that it's not an actual Canon EF 24-105mm f/4.0L USM lens (although the word "Caniam" on the side is a clue). In fact, you should take care not to get it confused with your actual photo lens attachment! If you'd like a slightly larger version of the same item, consider the EF 100mm F/2.8L IS Macro USM Coffee Mug in Black for $12.99, a low by $4. This one is a near-perfect simulacrim of the Canon EF 100mm F/2.8L IS Macro USM Lens. Both of these items have a stainless steel interior, food grade plastic, and lid. Front page photo credit: ThinkGeek Follow @dealnews on Twitter for the latest roundups, price trend info, and stories. You can also sign up for an email alert for all dealnews features.