Call it the Food Truck Effect – businesses offering everything from mani-pedis to art classes are going mobile. Here are three new local ventures to flag down. Puzzle Rides Scottsdale Escape rooms meet scavenger hunts on these golf-cart excursions, which boast themes like Pirate’s Treasure Adventure. puzzlerides.com GameTruck Throw your kid the best birthday party ever with mobile video games, laser tag or GellyBall, a gentler alternative to paintball. gametruckparty.com Tap Truck Need a bartender...