Here’s a science and technology event for the whole family. Parents, grandparents and kids can come together to design a “fantastic flyer” during the Mad Science Machines workshop on Monday, November 20 from 10 a.m. to 11 a.m. at the West Senior Center in Boulder. Learn the fundamentals of flight in this exciting aerodynamic workshop by building stunt planes that will do loops or will fly as straight as an arrow using a variety of aerodynamic designs. Light refreshments will be served. Cost is $5 per person. Registration is required. You can sign up here. 909 Arapahoe Ave., Boulder.