Inclusion Criteria:  Children with spastic CP, their chronological age will be ranged from 2 years to 4 years. Their level of motor function will be 4 or 5 according to Gross Motor Function Classification System - Expanded and Revised The degree of spasticity for these children will ranged from grade 1 to 2 according to Modified Ashworth Scale All children's level of segmental trunk control will be level 3 according to Segmental Assessment of Trunk Control They will be able to follow instructions during evaluation and treatment.  Exclusion Criteria:  Any child with the following criteria will be directly excluded from the evaluation for the consistency of the sample and statistically obtained results: 1. Surgical interference in upper limbs and/or spine that may restrain the child performance during activities.2. Orthopedic problems or fixed deformities in the vertebral column and/or upper extremities. 3. Uncontrolled seizures. 4. Visual or hearing impairment.