On Such Occasions contains affiliate links and is a member of the Amazon Associates and Etsy Affiliate Programs. If a purchase is made using one of these links, we may receive compensation at no extra cost to you. To learn more, please visit our Privacy Policy.

23 Out of This World Space Themed Birthday Party Activities

Are you ready for your little one’s special day but not sure how to keep all of their friends entertained? Is your child crafty, full of energy, or extra creative? With this list of 23 different party games, you’ll find the perfect mix of activities to keep everyone entertained and make the day unforgettable.

Crafting Activities

  • Create a Galaxy in a Bottle
    Let your guests create their own galaxy in a bottle with this recipe from Little Passports.Made with cotton balls, water, and food coloring, this activity is easy and cheap to put together. You can use any plastic bottle or check out this listing for 16 small plastic sensory bottles.
  • Make Your Own Galaxy Necklace
    Have your guests create their own bead necklaces. For a galaxy theme, proved black beads as well as beads that look like planets, asteroids, and stars. Check out this pre-made kit that contains everything your guests will need.
A photo of a necklace crafting station at a space themed birthday party. The station has black beads in a bowl. Among the black beads are beads that are painted to look like planets. There is also a finished necklace and a roll of black twine on the table.
  • Paint Your Own Spaceship Kit
    Painting is always a fun activity for kids. With this paint kit your guests can decorate their own planets or shooting stars that they can then take home with them . Every time they look at it, they will remember all the fun they had at the party.
  • Create Your Own Planets from Tealights and Ping Pong Balls
    Have your guests paint a ping pong ball and then place it on top of an electric tealight to create a spectacular glowing planet.
A photo of a ping pong ball on top of a tea candle. The ball is painted to look like a planet. This is a kids craft at a space themed birthday party.
  • Create a Space Ship with Cardboard Boxes
    If you have any delivery boxes laying around then save them for your space themed party. Set them out and let your guests cut out portholes, connect the bases, and create their very own space ship.
  • Make Your Own Rocket Ships
    Your guests will love creating their very own rocket ships. Just set out some construction paper, colors, glue, and any other crafting materials you may have and watch as the ships are prepared to launch.
  • Galaxy Slime
    Making slime is always a hit with children. To make it galaxy slime all you need to do is mix swirls of blue, purple, and black. You can even add some glitter and stars. For a great slime recipe, check out The Best Ideas for Kids.
A photo of a jar of purple slime. The slime is a swirl of dark and light purple with glitter.
  • Create an Alien from Paper Plates
    Set out some paper plates, construction paper, colors, and some pipe cleaners and let your guests create their own aliens.

Physical Activities

  • Land the Rocket on the Moon
    A simple twist on pin the tail on the donkey, this game just requires a picture of a moon, some paper rockets, and a blindfold. Put the picture on the wall, blind fold the player, spin them, then let them attempt a landing.
  • Planet Rocket Toss
    For this game, lay out 8 different buckets or baskets labeled with planet names. Provide some toy rockets and let your guests try to toss the rocket into one of the buckets. To keep track of points, label each basket with an increasing number of points as they get farther away.
A photo of 9 black buckets. On the front three buckets are the labels "Earth, Mars, and Saturn." In front of the buckets is a smaller bucket filled with toy space ships.
  • Saturn’s Ring toss
     A ring toss is another classic game that can be adapted to your space themed party. Instead of tossing rings around a bottle, toss your rings towards a ball or planet shaped object. The winner is the person who is able to reunite Saturn with its rings.
  • Dancing Under the Stars
    Every good party has to have good music. Let your guests show off their movies as they dance under the stars. Check out this astronaut shaped projector that would be perfect for the dance party.
A photo of a projector projecting a galaxy onto the ceiling in a dark room.
  • Astronaut Space Training
    Let your guests enter a space training academy by setting up obstacle courses for them. Once successfully completed, you can hand out astronaut certificates.
  • Rocket Launch
    Create a landing site for your guests to launch rockets at and watch as they compete to see who has the most successful landing.
  • Rocket Blaster Fight
    If you plan to have your party during the summer, then let your guests have a rocket blaster water pistols fight. Just set out some water pistols labeled as “Rocket Blasters” and let them pretend to take part in an intergalactic war.
A photo of a bucket filled with water guns. In the bucket there is a sign that says "Laser Blasters."
  • Fallen Star Scavenger Hunt
    If you have plenty of good hiding spots in your house or back yard then a fallen star scavenger hunt is a perfect game for the little ones. Hide star shaped toys or snacks around your party and create a map with the hidden location of each or let the kids find them on their own.
  • Moon Sand Play
    Playing in moon sand is a great sensory activity for children. Add some space themed figures and let them pretend to be conducting missions on the moon. Check out this moon sand kit for everything you’ll need for this activity.
A photo of astronaut figurines and space vehicles in moon sand.

Creative Activities

  • Mission to Mars
    Let your guests get creativity by taking them on a mission to mars. Create a mission prompt and watch as the little ones navigate through space together. 
  • Create Constellations Using Pretzels and Marshmallows
    Set out some cups full of stick pretzels and marshmallows and have your guests connect them to create editable constellations. You can have some famous constellations printed out on cards to pass around or let them create their own. For a free print out of constellation flash cards, Click Here.
A photo of plastic cups filled with marshmallows and pretzel sticks. Next to the cups is a sign that says "Make Your Own Constellation."
  • Space Trivia
    Look up some facts about the universe and host a galaxy themed trivia game. You can even give out some space themed goodies for the winners.
  • Coloring Pages
    If you need some quiet time during your party, coloring pages are always a great option. You can find many options for free online that you can print out at home. Provide some colors, markers, and maybe even some stickers and you have hours of entertainment. 
  • Find Constellations in the Night Sky.
    If your party ends in a sleep over, then let the little ones look to the night sky. They just might be able to spot some constellations.
  • Space Tattoo Parlor
    Let your guests pretend to be at a tattoo parlor and provide them with lots of space themed temporary tattoos. The kids will love decorating themselves and each other. Check out this listing of 150 glow in the dark tattoos

I hope you found these activity ideas helpful. Let me know in the comments if you tried any of these ideas for your little one’s party.

Not sure what party favors to include in your space themed goodie bags? Check out 19 Space Themed Out of This World Birthday Party Favors.