Materials cover how families work and what makes a family.  For preschool to kindergarten.

Books
A Chair For My Mother by Vera Williams
Angel Baby by Pat Cummings
Annushka's Voyage by Edith Tarbescu
Big Bushy Mustache by Gary Soto
Bunny Cakes by Rosemary Wells
Daddy Makes the Best Spaghetti by Anna Grossnickle Hines
Families by Ann Morris
Going Home by Eve Bunting
Grandfather Counts by Andrea Cheng
I Love You Like Crazy Cakes by Rose Lewis
Mama's Secret by Maria Polushkin
Shoes from Grandpa by Mem Fox
Some Frog by Eve Bunting
Tell Me Again About the Night I Was Born by Jamie Lee Curtis
Welcoming Babies by Margy Burns Knight
What Baby Wants by Phyllis Root
Who's in My Family by Loreen Leedy

Realia
10 bendable family figures
Family Members Puzzle

Book & Cassette
The Relatives Came by Cynthia Rylant

Video
Arthur's Family Vacation