Eat ice cream, win Easter prizes

What Hit up the better burger chain for a special Easter egg concrete (vanilla custard with marshmallow caramel and chocolate) — if you find a gold sticker, you win a prize.
Where Shake Shack at 20th & Sansom or 32nd & Market
When March 26, 2016 at 11:00 am to March 27, 2016 at 10:00 pm
How much $4.79 single; $6.99 double