Sea Kayak Education and Guide Service: Good for any combination of New York Kayak Company group instructional programs or tours, offered in 2 and 3 hour blocks, at Pier 40 in Hudson River Park. Check website at www.nykayak.com for class and tour schedules. May be redeemed in many ways, such as one person taking two 3 hour classes, or 2 people taking one 3 hour class. May also be redeemed for half as many hours of private one to one instruction.