Here is a crossword puzzle suitable for kids aged 7, with vocabulary connected with holidays:

Across: 1. The day when Santa Claus brings gifts (Christmas) 3. A sweet treat made from sugar and chocolate (Candy) 5. A large, round object that floats in the sky (Balloon) 7. A special day to honor and show love to your mother (Mother’s Day) 9. A small, colorful explosive that makes a loud noise and bright lights (Firework) 11. A day to celebrate and honor your father (Father’s Day)

Down: 2. A holiday where people dress up in costumes and go trick-or-treating (Halloween) 4. A vacation taken during the summer months (Summer break) 6. A day to celebrate and honor the achievements of workers (Labor Day) 8. A holiday where people give thanks for the good things in their lives (Thanksgiving) 10. A day to celebrate the birth of a country (Independence Day)

Note: The crossword puzzle layout may vary depending on the platform or tool you are using to create it.