For the rubber animal tracks, try:

    Acorn Naturalists        1-800-422-8886
    17300 E.17th Street, #J-236
    Tustin, Calif. 92780

They have over 50 in their catalog.

Gale Motter                          E-mail: [log in to unmask]
Creative Exhibits Designer
Bays Mountain Park
853 Bays Mountain Park Road
Kingsport, Tenn. 37660