Desert Animal Tracks Stamps Combine the fun of stamps with life science explorations! Set of eight rubber stamps includes the front and hind tracks of four different animals (ostrich tracks are right and left), plus an Activity Guide. Animals include porcupine, lizard, camel, and ostrich. Set is packaged in a sturdy plastic storage case with a label for each stamp. Stamp pads sold separately. Stamps measure 4cm square each.