Kids' birthday theme

A celestial party

Moons, stars, and a table that glows after dark.

Celestial invitations

Free designs with an RSVP link that tracks every reply. Tap one to start yours; your names, date and place fill in, and you can change the design any time.

Ideas for your celestial party

Pick one or two from each and keep the rest simple.

Decor

  • Navy, gold and cream foil star and moon balloons
  • Battery string lights hung like a night sky
  • A paper moon and stars photo backdrop
  • Star name cards on the table

Food

  • Star-shaped sandwiches and cheese slices
  • Banana moon slices and soft pear
  • Moon-phase sugar cookies
  • Blue "galaxy" lemonade

Cake

A navy buttercream cake with edible gold stars and a sugar crescent moon on top.

Favors

One small, useful or fun thing per child beats a bag of extras. How many to buy.

Colors

DeepBrightPopSoft

Pick one bright color for balloons and napkins, and keep plates plain.

Games and activities for your celestial party

How to play and what you need. Pick them in your plan and the supplies go on your shopping list.

Moon and stars freeze dance

Ages 1 to 6 · 10 min

Play slow songs and faster ones. Everyone dances like a star and freezes in a twinkle pose when the music stops. Nobody is out.

You’ll need: Speaker and a playlist

Glow star hunt

Ages 3 to 10 · 15 min

Dim the room and hide palm-size glow-in-the-dark paper stars at kid height. Kids hunt with a flashlight and drop each star in a bucket.

You’ll need: Glow-in-the-dark paper stars, Flashlights, A bucket

Wish stars

Ages 4 and up · 15 min

Everyone writes a wish on a paper star and hangs it on a branch or a string of lights. The guest of honor reads them later.

You’ll need: Paper stars, Pens, A branch or string

Make a constellation

Ages 5 and up · 15 min

Give each guest dark blue paper and star stickers. Stick the stars, connect them with a white crayon and name the constellation.

You’ll need: Dark blue paper, Star stickers, White crayons

Shop the celestial look

Plates, decor, favors and a cake idea in the theme's colors. The Shop counts each one for your guest list.

Open the celestial shop

What to do and when

The plan for a birthday party, counted back from the party day. Festidy puts real dates on it. Festidy's free party planner puts the whole birthday in one place.

  1. 6 to 8 weeks out

    • Pick a date, a start time, and a backup date
    • Set a budget and choose your big two
    • Write the guest list
    • Choose a theme together
    • Lock in the location and a rain plan
    • Note food, accessibility, and comfort needs
  2. 4 to 6 weeks out

    • Decide: hire an entertainer or run your own games
    • Book rentals if you need them
    • Send the invitations
    • Order the cakeCake idea: A navy buttercream cake with edible gold stars and a sugar crescent moon on top.
    • Ask helpers and give them roles
    • Make one contact and confirmation list
  3. 2 to 3 weeks out

    • Order decor, tableware, and favorsDecor idea: Navy, gold and cream foil star and moon balloons
    • Plan the menu and check allergiesMenu idea: Star-shaped sandwiches and cheese slices
    • Plan 3 or 4 activities, plus a backupActivity idea: Decorate a paper moon with star stickers
    • Follow up on RSVPs
    • Build your one-stop shopping list
  4. The week before

    • Confirm every vendor
    • Lock the headcount and shop for food and drinks
    • Prep favors, decor, and a playlist
    • Write the party-day schedule
    • Send the final party note
  5. The day before

    • Pick up the cake and set up what you can
    • Pack a party-day kit
    • Charge devices and share the run sheet
    • Make the final weather and space call
  6. Party day

    • Set up an hour before
    • Run the party and finish on time
    • Reset the space and check for left-behind items
  7. After the party

    • Share photos and settle any remaining balances
    • Send thank-yous
    • Save photos and notes for next year
    • Leave a quick note for your future self

Party-day run of show

For a 2-hour party starting at 2 pm.

  • Final setup and safety checkSetup crew gets food, activities, and the entrance ready.
  • Arrivals and free playKid wrangler greets kids and keeps an eye on arrivals.
  • Main game or entertainerEntertainment lead runs the planned game or entertainer.
  • Snacks and drinksFood lead puts out snacks and checks dietary labels.
  • Cake and candlesPhotographer gets the group shot before serving.
  • Craft, favors, and goodbyesThe host ends on time while energy is still high.
  • Quick resetCollect gifts and check the space for left-behind items.

Free celestial printables

Print at home on letter paper or card stock.

More kids' birthdays themes