Police situation at Arizona Mills

12 Days of Tempe 🎁 Day 11— A visit to Arizona Mills. You could spend an entire day at Arizona Mills experiencing one (if not all) of these family-friendly activities. Legoland Discovery Center is like a mini-version of Legoland, and offers building activities, rides, and fun indoor play. Guests can expect to spend 2-3 hours exploring this indoor family attraction. Admission starts at $21.99* per person, but if you plan to visit SEA Life Aquarium you can get a combination ticket starting at $25.