Amazon.com: Constructive Playthings Wooden Rocking Boat for Children, Use as Playground Equipment, Daycare Furniture or for Home Use, Indoor and Outdoor Toddler Toys, Climbing Toy, Sits 4 Kids, 2 Years & Up :
3-in-1 Wooden Rocking Boat - Physical Play | Early Learning Furniture
Wooden Rocking Boat - Ideas on Foter
Don't Rock The Boat: Prevention and Treatment Of Seasickness on a Recreational Vessel - Waggoner