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



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Updated 11/28/16

Download our new 2017 Product Catalog for books, assessments, DVDs, CDs, posters, and charts that will help you assess and manage hand, visual, and feeding problems in children with developmental and learning disabilities. To have our catalog mailed or emailed to you, contact us by telephone or send your request in an email message, including your name and address: RPErhardt@ErhardtProducts.com.

NEW! Ownership of the book Developmental Hand Dysfunction: Theory, Assessment, and Treatment, by Rhoda P. Erhardt, MS, OTR/L, FAOTA, has been transferred from Pro-Ed, Inc., Austin, Texas, to Erhardt Developmental Products, Maplewood, Minnesota. Order it now: C20 @ $75, and receive a FREE CD of the $25 value EDPA (C14cd).

Recently published: Erhardt, R. P. & Schmidt, H. (November, 2026). Pediatric OTs Love Lycra. ADVANCE for Occupational Therapy Practitioners, 32(11), 12-14.

OUR COMPANY

We produce and distribute a variety of materials for professionals working with children who have developmental and multiple disabilities. The company was founded in 1989 by Rhoda P. Erhardt, MS, OTR/L, FAOTA, an occupational therapist specializing in pediatrics for more than 45 years. Mrs. Erhardt received her B.S. in occupational therapy from the University of Illinois, M.S. in child development from North Dakota State University, and pediatric NeuroDevelopmental Treatment (NDT) training in London, England. Her curriculum vitae includes education, work experience, honors, professional affiliations, consultation contracts, and publications

Currently in private practice in the Minneapolis/St.Paul area, she has provided evaluation and consultation services to families, health agencies, educational systems, and national corporations, and published and lectured extensively throughout the United States and overseas on topics such as prehension (hand skills), vision, eye-hand coordination, and feeding problems in children with cerebral palsy, as well as handwriting and perceptual problems in children with learning disabilities.

The 21 video programs in DVD format describe normal and atypical development, assessment procedures, and intervention programs. All DVDs are shipped with a CD containing enclosures:
* suggestions for inservice procedures
* viewing and discussion guides
* reports or scored test booklets (if applicable)
* scripts for translation into other languages or for hearing-impaired viewers.
Other products (books, assessments, posters, activity charts, etc.) are correlated with many of the video programs.


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