Learn about your amazing brain and all your senses  with the help of Weber State University Neuroscience students! Do hands-on activities throughout Treehouse! All the regular exhibits are open, too, and it's even free courtesy of Weber State 's Neuroscience Program and the Alan and Jeanne Hall Foundation, but limited tickets are available. Both members and nonmembers need to reserve a free ticket for each member of the family who will be attending.