DISNEY ON ICE: LET'S CELEBRATE!

Join Disney characters for a party on ice. Watch as Donald, Goofy, Mickey and others celebrate a Very Merry Unbirthday Party with Alice and the Mad Hatter, a luau with Lilo and Stitch, and Jessie and Buzz Lightyear go on a Halloween haunt. (7 p.m. today; 11 a.m., 3 & 7 p.m. Sat.; 1 & 5 p.m. Sun. $15.50-$72.50. Target Center, 600 1st Av. N., Mpls. 1-888-929-7849. targetcenter.com.)

TECH FEST

It's National Engineers Week, and the Works is hosting a family event to celebrate gadgets. Attendees can participate in hands-on activities and watch demonstrations of engineering and technology innovations. Presenters include the St. Jude Medical Foundation, showing the inside of a heart and how various devices save lives, and the University of Minnesota, with chemistry and electricity displays. (9 a.m.-4 p.m. Sat. $8-$10. The Works, 9740 Grand Av. S., Bloomington. 952-888-4262. theworks.org.) MELISSA WALKER