The Phoenix Zoo has one such discovery cart with the skulls of various animals
in it. I watched a variety of ages (from my 3 year old, to my parents who are
in their sixties) touch, feel and examine the material, with the interpreter
telling them what they were looking at.
 
Anita Cohen-Williams; Reference Services; Hayden Library
Arizona State University, Tempe, AZ  85287-1006
PHONE: (602) 965-4579              FAX: (602) 965-9169
INTERNET: [log in to unmask] Owner: HISTARCH