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40 Astonishing Galaxy Theme Party Ideas That Are Out of This World

Galaxy Theme Party

Updated on: Sep 01, 2024

Looking to throw a theme party that is out-of-this-world? Well, then you should consider galaxy theme party ideas by adding a celestial theme to your next get-together. Check out our compilation of décor, activities, menu items, and party favors ideas that include all things star, sky, and space-related to help your planet. Perfect for a kid's event or any celebration!

Galaxy Theme Party Decorations

Before heading out to your local party store. Be sure to download our party checklist and budget tracker to stay organized with your party planning and expenses.

1. Sky Glow

Break glow sticks and shake the liquid onto a black cloth. Cover the ceiling with the cloth once it dries and allows the sky to glow like a galaxy. You could even add glitter or sparkles to really make the decoration twinkle.

2. Shiny Stars

Cut out stars! Hang them from the ceiling using a clear fishing line to add consistent decorations throughout your venue.

3. Fun Fabric

Use fabric with stars or planets on it to cover the walls or ceiling. A black fabric is another option to create the darkness of the sky.

4. Celestial Lights

Incorporate the use of string lights to create cool lighting effects at the party.

5. Galactic Garland

For an easy and beautiful pop of decor, add a star-shaped garland as a fun backdrop. You can hang the stars from your ceiling or drape them above doorways for an out-of-this-world decoration.

6. Planet Balloons

Planet-printed balloons will help your party guests boost their imagination and spark their interest in outer space! You could even make an entire solar system with sun and moon balloons. Many party stores sell inexpensive planet balloons, and party guests will learn about each planet at your galactic party!

7. Inflatable Space Shuttle

With inflatable space shuttles, you can launch off for some extraterrestrial excitement! Distribute these spectacular rockets as a fun gift during your galaxy birthday party for young astronauts and galactic explorers to enjoy. These can be used as decorations for your party or party favors for your guests to bring home!

Galaxy Theme Party Favors

8. Stickers

Glow-in-the-dark stickers are an excellent, inexpensive favor option. Kids especially will love having sheets of stickers to share with their friends or siblings.

9. Keychains

Buy a large supply of star keychains attached to give guests a practical favor that will remind them of the party.

10. Galaxy Space Bracelets

Accessorize your party attendees with galaxy space bracelets. Galaxy parties can be glamorous and fun when bracelets are involved in one's attire. Plus, party goers will love taking home a gift they can wear.

11. Slime

Kids love slimes and yes, there are galaxy-colored ones that they can even make on their own with a galaxy slime kit.

12. Glow Stars

Packs of glow-in-the-dark stars can make for great giveaways. Guests can hang them on their ceilings or walls when they get home. Even when the party ends, the stars can continue shining!

13. Stress Balls

Give away galaxy-themed stress balls! This party favor is perfect as you can buy a whole pack and the guests will never forget about your party.

Need any ideas for a kid's gift? We have resources for you! look here to find some inspiration or gift ideas.

Galaxy Theme Party Food Ideas

14. Pizza Label

Make homemade pizzas or order some from your local pizza place. Label the pizzas “flying saucers” to add to the celestial theme with custom pizza labels.

15. Star Pasta

Use star-shaped pasta to make soups or macaroni and cheese; you could serve the pasta with sauce for an Italian meal.

16. Galactic Cake Pops

17. Astronaut Ice Cream

Ever wondered what food in space tastes like? This astronaut ice cream will give your guest a taste and make them feel like they're in outer space!

18. Galaxy Cupcakes

Galaxy themed cupcakes are a fantastic alternative to a cake as the guest can help themselves to the delectable treat without having to cut slices. Celestial colors with assorted stars or meteors and savory flavors will surely satisfy earth dwellers from all stages of life. Display cupcakes on a galaxy themed stand with space elements to turn astronaut helmets.

19. Cookies

Use cookie cutters to create star and moon shapes. Ice the cookies with blue or white icing and add glitter sprinkles to make them shine.

20. Edible Confetti

You can find edible candy confetti in a variety of shapes at local grocery stores. Use stars to decorate cupcakes or other desserts for the party.

21. Galaxy Cake

Blast your guest away with a galaxy themed cake! A galactic cake such as this not only adds detail to the dessert table but will influence star gazing with the unique design. Let your cake shine with a LED cake stand or a glow in the dark stand that can house cupcakes along with a cake if desired.

22. Galaxy Lemonade

An entire galaxy's worth of color in a simple lemonade drink! Color-changing galaxy lemonade is made with just dried butterfly pea or blue pea flowers, lemons, soda water, and sugar. This simple color-changing summer drink with a magical twist will be enjoyed by both children and adults at your galaxy party!

23. Galaxy Popcorn

A unique way to celebrate at your galaxy-themed party is with galaxy popcorn. This is a fairly simple recipe to make. Just pop whatever type of popcorn you prefer and melt butter on the stovetop. Add your favorite galactic colors to the melted butter and pour over your popcorn to make a colorful snack. You could also drizzle chocolate over the popcorn if you have a sweet tooth and add star-shaped sprinkles!

Galaxy Theme Party Games and Activities

24. Rocket Launch

Rocket launch kits can be purchased online, but you can also create do-it-yourself rockets with household supplies.

25. UFO Toss

Staple or glue two paper plates together to create a flying saucer shape. Allow guests to decorate the UFOs with paint, stickers, or other crafting supplies. Guests should throw the saucers as far as they can into space. The guest who achieves the greatest distance is the winner.

26. Be a Star

Play music for a karaoke contest. Allow guests to perform and try to achieve star status. For a twist, you could only play songs that involve stars or celestial objects such as “Shooting Stars” or “Dark Side of the Moon.”

27. Space Pinata

A pinata that compliments your galaxy party will engage attendees and bring excitement as they bash the pinata to claim their prize. Pinatas come in various space designs from stars and rockets or have a pinata designer create a meteor pinata for a said special day. Don't forget to fill the pinata with several prizes such as space like toys and candy.

28. Astrology Readings

Learn to read the horoscopes in the constellation and galaxy to the delight of your guests. You could also try a tarot card reading. Hire a professional or allow guests to take turns reading each other's futures.

29. Asteroid

Ask guests to stand in a circle. Provide a balloon not filled with helium to a player. That player should say a person's name before they hit the balloon to him or her. The player whose name was said needs to hit the balloon and say another guest's name. Add multiple balloons to make the game more chaotic and fun.

30. Space Trivia

Looking for activities that can educate and entertain guests, have your space explorer play a space trivia card game. To play, you could split the guest into groups, or each player can play against another. Ensure the game meets the age group of young attendees to keep them engaged.

31. Galaxy Sensory Jars

DIY Galaxy Jar - A beautiful craft for children, teenagers, and adults who enjoy galactic colors and glitter! To make your galaxy in a glass jar, simply stack cotton balls, acrylic paint, water, and glitter shapes! Layer the paint in whichever order you prefer, stuff your cotton balls and shake your glitter around the jar. This inexpensive activity is perfect for your galaxy party.

Galaxy Theme Party Supplies

32. Galaxy Tablecloth

Search for galaxy tablecloths or other celestial markings on them.

33. Neon Paper Plates

You could also simply use a mix of black and neon plates.

34. Galaxy Straws

If you want a cute way to have your guests sip on the drinks you are serving, here is a great option for galaxy-themed straws.

35. Galaxy Napkins

Have all the kids clean their mess with galaxy napkins while keeping everything on the theme.

36. Galaxy Photo Props

Have a little corner in your party with a photo booth, and add it with cute galaxy photo props!

Galaxy Theme Party Invitations

37. Out of This World Invitation

If you're looking for an invitation that is out of this world, Etsy has this adorable option.

38. First Trip Around The Sun Invitation

Celebrating a child's first trip around the sun? This is a perfect invitation to send to your guests.

39. Slumber Party Invitation

Inviting your child's friends for a slumber party? Etsy has this cute option for this kind of invitation.

40. Blast Off Invitation

3... 2... 1... blast off! What an adorable way to invite your guests with a blast-off invitation.

41. Baby Shower Invitation

Has the countdown begun? Here is the perfect invitation to let your guests know and invite them to your galaxy-themed baby shower.

Galaxy Theme Party: Conclusion

A galaxy theme party can make your next socially distanced get-together or family reunion zoom call one to remember. Have a blast as your party shines bright like a star.

Written by Jessica Clark; Contributors: Savanna Sudwikatmono and Maggie Betros

Maggie Betros

Rutgers University Business School

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Savanna Sudwikatmono

Pepperdine Universtiry

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