I can't find the section related to TAX CREDIT FOR CHILDREN'S ACTIVITIES - https://www.revenuquebec.ca/en/citizens/tax-credits/tax-credit-for-childrens-activities/

Thank you for choosing TurboTax,

1. On the left side menu select Deductions

2. Click "Claims for Dependants”
3. Select “Children's Activity Tax Credit (Quebec resident only)” 
4. Select “Continue”