Erhardt Developmental Products
DVDs, Books, and other Materials about Child Development and Children with Disabilities


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Updated 1/22/23

Notice! Due to the owner's retirement, Erhardt Developmental Products will no longer accept new orders, except for remaining inventory of books, videos, and assessments, which may be purchased at closeout prices until out of stock.

BONUS for OT practitioners & teachers: This book is available for local pickup or
the cost of postage only! Click on erhardtproducts.com/handwriting to learn more.
For other questions, email RPErhardt@ErhardtProducts.