Call the Disney Florist - have something special waiting for the kids in the room- it's just magical.
They can not say 'from Mickey' - but they can say 'from your magical friends'
Check out:
http://www.disneyflorist.com
then click on 'Our Special Designs' in green on the bottom left side of the screen
Some suggestions:

Disney Welcome - Snack15 - US $47.50
A magical welcome gift with "real character." This basket features MICKEY MOUSE ears, camera, a cool autograph book and pen, photo album, character cookies and pretzels all wrapped up in a MICKEY MOUSE-shaped basket.

Mickey's Kool Snack - Snack7 - US $30.00
A mountain of delicious treats:
2 Sodas, logo chips, Cheese Doodles, Crunch and Munch, wise chips, bagel chips, Nutter Butter, MICKEY MOUSE shaped pretzels, Ritz Bits, Chips Ahoy, Milky Way, Crunch Bar and a Mickey chocolate bar!
Everything stays fresh in a cooly decorated, insulated bag.

Disney's Happiest Balloon Cluster - Balloon1 - US $35.00
Contains 5 Latex Balloons, 4 Mylar Balloons and 1 Foil Bag of Chocolate!.
Product and Prices are subject to change without notice.

Mickey and Friends - CastleBank - US $65.00
CASTLE BANK WITH FAB 5... MICKEY BEANIE, MINNIE BEANIE, DONALD BEANIE, PLUTO BEANIE and GOOFY BEANNIE!
Product and Prices are subject to change without notice.

Disney Family Treats Tote - Snack36 - US $52.00
Mickey Tote filled with goodies: Mickey gummies, 2 cheeses, Mickey shortbread box, Mickey round crackers, Mickey character cookies (small), Mickey fig bars, Mickey saltines, Mickey pretzels (small), 3 different chips and 5 pieces of fruit!

our families favorite- we swap out the cheese and add more fruit. The Disney Florist could even add Mickey ears for each child (pink for a girl) and autograph books.
The tote bag is great for bringing those little extra items you buy at WDW home in.
Contact the WDW Florist - they can deliver to resorts in the WDW area.
They will create anything you wish, with what they have.
Walt Disney World Florist
1503 Live Oak Ln, Lake Buena Vista, FL 32830
Local: 407-827-3505