Kiddy Seat Plan. Full size plan to build a comfy seat for tots, this guys got a soft shell for little bottoms. You will make the "shell" using vinyl over a foam pad for comfort. With your wood, scroll saw and router you can build this kiddy bench. Turtle is 20" long , seat height is 6". The available trim pack has eyes, foam pad for seat and vinyl to cover seat.The seat vinyl is not as shown on the turtle , but is as shown in the vinyl photo. Remember plans are not included in trim packs. Trim pack does NOT contain the lumber to build project.