Planning a birthday party in 2025? Whether you're a seasoned party planner or a parent tackling the task for the first time, finding the right theme is half the battle. With trends shifting fast and new movies, games, and shows constantly popping up, it’s important to choose a party theme that kids genuinely love. To help you out, we’ve rounded up the top 5 children’s party themes that are set to take over birthday celebrations in 2025.

From blockbuster movie releases to beloved characters, these party themes are not only popular—they’re packed with opportunities for fun decorations, games, and unforgettable memories.

🎮 1. Minecraft Party Madness (With 2025 Movie Release)

With the highly anticipated Minecraft Movie releasing in 2025, there's no doubt that this pixel-perfect world will be one of the top party themes of the year. Kids are already obsessed with building, exploring, and surviving in their Minecraft realms—and now, with the movie hitting cinemas, demand for Minecraft-themed birthdays is going to explode.

Think: blocky balloons, creeper tableware, and “craft-your-own-sword” activities. It’s the perfect mix of creative play and on-trend excitement.

Hot tip: Get an all in one Minecraft Party Set- Including every piece you need to throw the best party!

⚡ 2. Pokémon: A Timeless Favourite with Endless Possibilities

Pokémon continues to captivate every new generation—and 2025 is no exception. With new games, trading cards, and TV episodes constantly being released, a Pokémon-themed party is guaranteed to be a crowd-pleaser.

Kids love spotting their favourite characters like Pikachu, Charmander, and Eevee on party supplies, and interactive games like “Pin the Tail on the Pokémon” or “Pokéball scavenger hunts” keep little trainers entertained.

Pro tip: Use different Pokémon types (fire, water, grass) as table themes for added flair!

🐷 3. Peppa Pig – Even Bigger in 2025 With Baby Sister Buzz

Peppa Pig parties have always been popular for preschoolers—but in 2025, they’re about to get even bigger. Why? Because as of May 20th, Peppa officially has a baby sister, and the internet is buzzing with excitement!

This new storyline is bringing Peppa back to the spotlight, making her party supplies even more in demand. Peppa-themed plates, cups, and banners create a joyful, familiar atmosphere for little ones—and the addition of baby-themed touches makes it even more adorable.

🌀 4. Sonic the Hedgehog: Fast, Fun, and Full of Energy

Zooming back into the spotlight with recent game updates and his ever-growing fan base, Sonic the Hedgehog remains a favourite party theme for energetic kids. In 2025, Sonic parties are all about speed races, ring tosses, and electric blue everything.

Sonic-themed decorations bring bold colours and high energy to the party space, and kids love racing through activity stations just like Sonic himself. Check out Sonic Party Supplies we love here!

Fun twist: Set up a mini obstacle course as a “Sonic Speed Challenge”!

🚗 5. Hot Wheels – A High-Octane Party Choice

If your child loves cars, stunts, and racing, then a Hot Wheels birthday party is a no-brainer. These miniature cars have been a staple in toy boxes for decades, and they continue to be a go-to for kids with a need for speed.

In 2025, Hot Wheels parties are making a major comeback with customizable racetracks, racing-themed partyware, and DIY car-decorating stations. It’s a great way to combine creativity with competition.

Pro idea: Host a mini race with Hot Wheels prizes for the winners!

🎉 Ready to Party?

No matter which theme you choose, the key to a successful birthday bash is in the details—from the tableware and balloons to the activities and favours. With high-quality, themed party supplies and free shipping across the UK and Europe, planning your child’s dream party has never been easier.

Browse our full selection of themed party products and get everything you need to throw a party they’ll remember forever.