Bird Toy Parts | Wood blocks with grooves | Pine | Set of 50 | Small-MediumThese natural grooved pine blocks are perfect for building bird toys and refilling our toy structures. Each block measures 1. 4 inches square x . 4 inches thick (3. 5 cm square x 1 cm thick) a great size for medium and large birds to grip and manipulate as foot toys. These blocks are crafted from bird safe pine with a natural finish. Great for cockatiels, conures, caiques, Senegals, African greys, amazons, cockatoos, and other medium to large parrots.