Add "One Class" to the Shopping Cart, go view your cart, apply coupon "free class", click the "Proceed to Checkout" button, look under total and your charge should be "0". This code has no expiration date, use as needed.
One Class
$20.00$15.00
Sale
Monthly Subscription
$60.00 / month
Cheetahs
$950.00
Lee, me and The Tree
$450.00
Nymphs in Waterfall
$950.00
The Bay Lady
$30.00
The DolphinDream Comes to Boulder Creek, CA2
$950.00
The Peaceable Kingdom for San Diego Children's Hospital