The following was in The Lakeland Ledger today and it now states more info. on the deal with the following restrictions.
"Donating a backpack Friday could win you a free ticket to the premiere of "Disney on Ice presents Disney/Pixar's Toy Story 3" at the Lakeland Center.
The first 100 people to donate a backpack will receive one ticket voucher for free admittance to the show on Sept. 3. The limit is one voucher per person and 2 vouchers per household.
Free vouchers can be redeemed at the box office where additional tickets can also be purchased.