Inclusion Criteria:  To be between the ages of 6-15, Having the verbal communication ability to understand the evaluation materials and being willing to participate in the study (Written consent form will be obtained from the families), Being at the level of 1-3 when evaluated according to the GMFCS (Gross Motor Function Classification System), ≤ 2 in upper extremity muscles according to Modified Ashworth Scale (MASH) Being at 1-2 levels when evaluated according to MACS (Manual Ability Classification System), Absence of any contracture in the upper extremity Not having had any upper extremity surgery or Botulinum Toxin (Btx) in the last 6 months  Exclusion Criteria:  Severe cognitive dysfunction or inability to communicate cognitively, Having a diagnosis of mental disability, Mothers are illiterate