Penn Plax Wooden Bird Ladder; available in different sizes Penn Plax Online Price $6.97Regular Price $7.99 5 step - $6.97 7 step - $6.97 9 step - $15.97 Quantity This variant is currently sold out The Penn Plax wooden bird ladder is available in the following sizes: * 5 step: 8 inches tall * 7 step: 12 inches tall * 9 step: 14.25 inches tall