1 sound cassette (12 min. : 1 7/8 ips. mono.) + 30 copies of 1 booklet (14 p. : ill. ; 14 x 22 cm.) + teacher's folder with duplicating masters in container ; 4 x 24 x 30 cm.
Discusses the wide variety of mammals and the characteristics they have in common; tells about the early lives of some mammals and how mammals care for their young.
