If your family is on the lookout for ways to stay entertained without spending a bundle, you’ll appreciate these ideas:Groupon — a daily coupon with big savings on movies, restaurants, sporting events, outdoor activities, shopping, and more. Sign up for daily email coupons.LivingSocial Denver Family Edition — family-friendly deals at local zoos, museums, aquariums, art classes, and more. Sign up to receive emails with great coupons.Netflix — a cheap way to watch lots of movies — either from DVDs delivered to your house or streaming on your computer. Prices start at $7.99/month. Get a free one-month trial.Free Denver Museum Days — five of Denver’s largest museums offer several free admission days a year, including Denver Museum of Nature and Science, Denver Zoo, Denver Art Museum, Denver Botanic Gardens, and The Denver Center for the Performing Arts. Learn more.Other Organizations That Offer Free Days — Bluff Lake Nature Center, Colorado Railroad Museum, The Children’s Museum of Denver, Denver Museum of Miniatures, Dolls and Toys, Foothills Art Center, Golden History Museums, and The Hudson Gardens & Event CenterSome other cheap entertainment ideas include walking the 16th street mall (or riding the free shuttle) for great people watching, free music, and jugglers. Ride bikes around the many free parks in Denver, like City Park and Sloan’s Lake. Pack up a picnic and hike one of the many mountain trails our beautiful state is blessed with. Or tour the U.S. Mint.