29 copies of 1 booklet (15 p. : col. ill. ; 14 x 22 cm.) + 1 sound cassette (12 min. : 1 7/8 ips., mono.) + 1 teacher's folder with duplicating masters and one printed copy of each duplicating master ; in box 30 x 24 x 5cm.
Teachers specific concepts; helps improve reading skills, increase reading and listening comprehension, and build vocabulary. Discusses characteristics of birds and describes what helps birds fly. Shows birds as they hatch and grow.