Daily and Weekly Rehabilitation Delivery for Young Children With Gross Motor Delays

Inclusion Criteria: * an age of 6 months - 24 months at the initiation of treatment. The age will be corrected for any eligible children born preterm until they are 2 years of age, as is standard clinical and research practice * a diagnosis or risk for CP in GMFCS levels III, IV and V or motor delay * ability to tolerate a 2 hour therapy session based on parent report and evaluating therapists, the same criteria the investigators used for the pilot study. Exclusion Criteria: * uncontrollable seizures or any co-morbid condition that prevents full participation during treatment sessions * participation in another daily treatment program in the last 6 months * auditory, or visual conditions that prevent full participation during treatment sessions * progressive neurological disorder with no potential for improvement.