If you enlarge them by 2X the slots and tabs will work on 1/2" thick stock. You would then have a swan nearly ten inches tall. Might make a nice ornament for a table centerpiece.
I used Baltic Birch because I wanted a color close to white. Maple would be another good choice.
DVD and the 2013 update DVD at this link. DVD #1 is $20 and contains over 1,100 patterns. The 2013 update DVD is $7.50 and has another 178 patterns.