My wife won these at work, but we really don't have time to go, so we're selling them:
1 pass - $15 obo (reg. $19.95 + tax)
2 passes - $28 obo (reg. $39.90 + tax)
4 passes - $50 obo (reg. $79.80 + tax)
Passes expire on July 15th.
Would like to sell in pairs or all 4.