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        <ActivitiesEngagedOrgInvlmntInd>1</ActivitiesEngagedOrgInvlmntInd>
      </Form990SchAType3FuncIntGrp>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART IV, SECTION E, LINE 2A:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CHILDREN'S MUSEUMLAB ADVANCEMENT INITIATIVE ASSISTS THE CHILDREN'S MUSEUM OF PITTSBURGH IN ITS MISSION BY DIRECTLY SUPPORTING THE ACTIVITIES AND EXEMPT PURPOSE OF THE MUSEUM.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART IV, SECTION D, LINES 2 AND 3:</FormAndLineReferenceDesc>
        <ExplanationTxt>CHRISTINE KOEBLEY IS THE SENIOR DIRECTOR OF FINANCE AND ADMINISTRATION OF THE SUPPORTED ORGANIZATION, THE MUSEUM, AND IS A MEMBER OF THE BOARD OF DIRECTORS OF THE CHILDREN'S MUSEUMLAB ADVANCEMENT INITIATIVE. THE ORGANIZATION WAS FORMED AT THE DIRECTION OF THE MUSEUM AS A SUPPORTING ORGANIZATION FOR THE MUSEUM IN ORDER TO FACILITATE FINANCING FOR THE PROJECT. THUS, COMMUNICATIONS, BOTH FORMAL AND INFORMAL, BETWEEN THE ORGANIZATION AND THE MUSEUM OCCUR DAILY AND ARE ONGOING. THESE COMMUNICATIONS INCLUDE DISCUSSIONS ON ORGANIZATION'S INVESTMENT POLICIES, THE MAKING AND TIMING OF GRANTS AND DIRECTING THE USE OF INCOME AND ASSETS.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART IV, SECTION E, LINE 2B:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CHILDREN'S MUSEUMLAB ADVANCEMENT INITIATIVE ASSISTS THE CHILDREN'S MUSEUM OF PITTSBURGH IN ITS MISSION BY DIRECTLY SUPPORTING THE ACTIVITIES AND EXEMPT PURPOSE OF THE MUSEUM.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>12993608</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>2758535</DepreciationAmt>
        <BookValueAmt>10235073</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>178590</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>176633</DepreciationAmt>
        <BookValueAmt>1957</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>450419</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>415505</DepreciationAmt>
        <BookValueAmt>34914</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>10271944</TotalBookValueLandBuildingsAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>180002</TotalRevEtcAuditedFinclStmtAmt>
      <RevenueNotReportedAmt>0</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>180002</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>180002</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>851266</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>851266</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>851266</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MUSEUM IS A NOT-FOR-PROFIT ORGANIZATION AS DESCRIBED IN SECTION 501(C)(3)OF THE INTERNAL REVENUE CODE AND IS EXEMPT FROM FEDERAL AND STATE INCOME TAXES ON TRADE OR BUSINESS PROFITS GENERATED BY ACTIVITIES RELATED TO THE MUSEUM'S EXEMPT FUNCTION. THE MUSEUM MAY BE SUBJECT TO FEDERAL AND STATE INCOME TAXES FOR PROFITS GENERATED FROM TRADE OR BUSINESS ACTIVITIES UNRELATED TO THE MUSEUM'S EXEMPT FUNCTION.THE MUSEUM HAS PROCESSES PRESENTLY IN PLACE TO ENSURE THE MAINTENANCE OF ITS TAX-EXEMPT STATUS, IDENTIFY AND REPORT UNRELATED BUSINESS INCOME, AND DETERMINE ITS FILING AND TAX OBLIGATIONS IN JURISDICTIONS FOR WHICH IT HAS NEXUS.AS OF JUNE 30, 2025 AND 2024, THE MUSEUM BELIEVES THAT IT HAS NOT GENERATED ANY UNRELATED BUSINESS TAXABLE INCOME. GENERALLY, THE MUSEUM IS NO LONGER SUBJECT TO U.S. FEDERAL, STATE AND LOCAL OR NON-U.S. INCOME TAX EXAMINATIONS BY TAX AUTHORITIES FOR YEARS BEFORE 2022.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>CHRISTINE KOEBLEY</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>159329</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>10021</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>18491</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>187841</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>CHRISTINE KOEBLEY AND MELISSA BIZYAK HAVE A BUSINESS RELATIONSHIP.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TREASURER REVIEWS THE PREPARED FORM 990 ON A LINE-BY-LINE BASIS. FOLLOWING HER ACCEPTANCE OF THE RETURN, A COPY IS GIVEN TO THE CHAIRMAN FOR REVIEW. UPON THEIR APPOVALS, A COPY IS MADE AVAILABLE TO MEMBERS OF THE BOARD FOR REVIEW PRIOR TO FILING WITH THE INTERNAL REVENUE SERVICE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>CONFLICT OF INTEREST FORMS ARE DISTRIBUTED ANNUALLY TO ALL BOARD MEMBERS. ANY BOARD MEMBERS WHO ARE NOT IN ATTENDANCE AT THE MEETING RECEIVE THE FORM ELECTRONICALLY WITH INSTRUCTIONS TO RETURN THE FORM TO THE MUSEUM. SIGNED FORMS ARE REQUIRED TO CONTINUE MEMBERSHIP ON THE BOARD. A SUMMARY OF THE CONFLICTS ARE COMPILED BY THE TREASURER OF CMAI AND PRESENTED TO THE BOARD CHAIR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS ARE MADE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>INTERCOMPANY ADJUSTMENT -1,342,887.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C, OVERSIGHT OF THE FINANCIAL STATEMENT AUDIT:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CONSOLIDATED FINANCIAL STATEMENTS ARE AUDITED BY AN INDEPENDENT ACCOUNTING FIRM. THE AUDIT IS REVIEWED BY THE FINANCE COMMITTEE OF THE CHILDREN'S MUSEUM OF PITTSBURGH FOLLOWING ITS COMPLETION AND THE COMMITTEE MAKES A RECOMMENDATION TO THE FULL BOARD FOR THE APPROVAL OF THE AUDIT. THE COMMITTEE ALSO ANNUALLY APPROVES THE INDEPENDENT AUDITOR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>CHILDREN'S MUSEUM OF PITTSBURGH</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>10 CHILDRENS WAY ALLEGHENY SQUARE</AddressLine1Txt>
          <CityNm>PITTSBURGH</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>152125250</ZIPCd>
        </USAddress>
        <EIN>251379704</EIN>
        <PrimaryActivitiesTxt>SUPPORTED ORGANIZATION OF THE MUSEUMLAB</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>PA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 7</PublicCharityStatusTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>1</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>0</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>0</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>1</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>