Universal Studios Hollywood is often seen as "thrill-heavy," but it offers several world-class attractions perfect for younger children (typically those under 48 inches). Super Nintendo World is the current highlight, featuring "Mario Kart: Bowser’s Challenge," which uses augmented reality and is suitable for children at least 42 inches tall. For the youngest visitors, Super Silly Fun Land is an elaborate water play area and home to "Silly Swirly Fun Ride," a classic aerial carousel. In the Wizarding World of Harry Potter, "Flight of the Hippogriff" serves as a perfect "starter" roller coaster. Additionally, "The Secret Life of Pets: Off the Leash" is a gentle, high-tech dark ride that is a massive hit with toddlers and preschoolers. Don't forget the world-famous Studio Tour; while it has some intense moments (King Kong and Fast & Furious), most of the 60-minute journey is a fascinating look at movie sets that kids find captivating. Always check the official app for real-time height requirements, as many "kid-friendly" labels depend on the child's height and bravery levels.