Had an email from them stating:
One new hot deal every day until Christmas. Clip with mPerks and redeem in store.
Once a deal is gone, it's gone forever, so check back every day!
Today's is for a Free Hot Wheel car
Tomorrow is a B1G1F Novelty Ornament
Apparently you can clip the next day's ahead of time.
Also in my mPerks I had one for a Free Hype Energy Drink and a $2.99 Arla Cream Cheese ...