Three or Six Groupons, Each Good for One Open-Play Session at Kids Town in Wheaton (Half Off).  Limit one voucher per person; limit one voucher per family.

5 or 10 Open-Bounce Visits at Bounce Town in Oswego (Up to 51% Off):

$22 for 5 two-hour open-bounce visits (a $45 value)
$45 for 10 two-hour open-bounce visits (a $90 value)