ASQ-3 is designed to be completed using items that are familiar to the child and commonly available in the child's house or child care center. See a full list of items needed for each questionnaire interval here.

For convenience, the ASQ-3 Materials Kit is also available for purchase. This kit contains 20 attractive and engaging toys, books, and other items designed to encourage a child's participation and support effective, accurate administration of the ASQ-3 questionnaires.