Seven (7) wooden nest box eggs up for auction; these work much better than golf balls, in my experience. They are solid wood, and measure approximately 2 1/2" high by 1 1/4" wide, and are flat on the bottom. They're about the size of a large to XL hen's egg.
Not sure if the pic is showing in the ad above, so here it is again:
Not sure if the pic is showing in the ad above, so here it is again:
