Momma and baby birds help young learners practice counting, sorting and colors in an interactive and engaging way. The bowls stack, and the momma birds can be used as finger puppets. Little learners will love matching birds and nests by color. This deluxe set comes with over 30 fun pieces! Nests measure 4”L x 1”H; birds measure 1"H (baby) and 1¾”H (momma).