Birthday Party Themes for Boys

Admittedly, I was “that” mom who planned out a Pinterest worthy themed party for our first borns 1st birthday. Yes, it is something to celebrate but in hindsight, I realize he remembers nothing. My strategy for every party moving forward has been to keep things simple and family only until his 5th Birthday came around.

By 5, he had established a good group of friends and wanted to include them in his party (but only deciding so until the last minute). This Rock Party theme was pulled together in 1 weeks time. If you’re looking for a quick last minute party idea for a little boy, this is it.

I’m also sharing additional party themes we used in years past in hopes that you will get inspo and ideas to tailor for your kiddo.

Theme was derived from our boys LOVE of the outdoors, needing to collect every shiny & unique rock for his growing collection, and all things outdoors. A quick search on Pinterest and I knew what to do.


  • Rock Climbing Themed Cake (Wholefoods is where it’s at people.) We have used them for 5 years and they always deliver, and for a price that I’m willing to pay for a delicious and beautifully decorated cake. We’ve never paid more than $35.
  • Rock – Mineral Poster: Loved this one from Retro Planet. $6.99 – DONE
  • Geode Kit – Priced around and found this to be the best deal from Store for Knowledge.
  • Pop Rocks, Small carabiners, and thin rock climbing rope for favors with DIY Tags.
  • Party Invite done virtually per the last minute planning.
  • Favor Tags designed by me and printed at home. Click here for a FREE download.

Previous party theme ideas for boys:



I was pregnant with our second child when we celebrated our boy’s second birthday. His dinosaur birthday cake doubled as a gender reveal. Celebrating our boy’s birthday and becoming a big brother to a baby brother was extra special.


Wild Things


All Cakes except the Construction cake – Whole Foods, Construction Cake decorated by me.

Embroidered shirts – Stitched by me

Printables – Etsy

Crowns – Target in the party supply section

Sandbox – Amazon

If you have questions about specific sources, printables and homemade decor items, comment below.

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