All these events or trips are within a 2 hr drive
Aquarium
$161-All day pass for 4 plus $100 Gift card
Stamp and Scrapbook Expo
$22-All Day Pass for 4
Family Fun Plex
Gym, indoor water park
$19-2 Adults and 4 kids
Fiske Planetarium
$24-4 tickets to show
Also CO Avalanche, Rockies tickets are on sale at Groupon