This would be a good DIY! Get plywood cut to order from your local hardware store. Mark the positions of the nails with something removable, like soap, fabric chalk or pencil. Then use the string of your choice to make a gorgeous sailboat.
10 DIY Projects for Girls - Pretty Designs Teen Crafts Ideas and DIY Projects for Teens and Tweens - DIY Embroidery Headphones fun project for teens: Should you absolutely love arts and crafts you'll will love this website!