Every summer, there was one program families asked about before the season even started:
Wacky Water Day.
Simple? Yes.
Affordable? Absolutely.
Memorable? Every single time.
This became one of our most anticipated summer events because it combined everything kids love about summer: water, music, bubbles, games, and the freedom to just play. Even better, most of the supplies were reusable year after year, making it a budget-friendly program that delivered huge attendance and community excitement.
If you’re looking for an easy outdoor event that works for a wide range of ages and keeps families engaged for hours, this is it.
What We Included
The beauty of Wacky Water Day is that it doesn’t need to be overly complicated. A few stations and activities can keep kids entertained for the full program.
Here’s what we typically set up:
Sprinklers
We put out several different sprinklers around the lawn so kids could run through them freely. Variety helps keep things interesting—oscillating sprinklers, spinning sprinklers, splash pads, anything you already have access to works great.
Here are the ones I used:
Water Blaster Refill Stations
We filled two large plastic garbage bins with water to create easy refill stations for water blasters and squirt toys.
This kept the action moving without needing constant hose access.
Reusable Sponge Water Bombs
Instead of water balloons, we made reusable “water bombs” out of sponges.
These were inexpensive, easy to store, safer for younger kids, and could be reused year after year.
You can find sponge supplies here:
- Multi-Pack Sponges
- Elastic Bands for Sponge Bombs
Tutorial:
I strongly recommend these over water balloons.
Unless you want to spend hours picking up tiny balloon pieces from the grass afterward.
Buckets & Water Games
Buckets became part of all kinds of simple games:
- Relay races
- Sponge transfer races
- Fill-the-bucket challenges
- Team competitions
Giant Bubbles
This was always a surprisingly popular station—not just with younger kids, but with tweens, teens, and caregivers too.
We made large batches of homemade bubble solution and provided oversized bubble wands for giant bubbles.
Supplies:
- Large Bubble Wands
- Large Bubble Solution (HIGHLY recommend!)
Music & Freeze Pops
Music instantly transformed the atmosphere into a summer party. We played upbeat music throughout the event and handed out freeze pops near the end of the program.
Simple additions like this make the event feel extra special without adding much cost.
Program Tips
Encourage Caregiver Participation
One of the best parts of this event was seeing caregivers join in.
Families played together, siblings interacted, and adults often ended up getting just as soaked as the kids.
Mention in your advertising that caregivers are encouraged to participate.
Remind Families to Come Prepared
We always reminded attendees to:
- Dress to get wet
- Bring towels
- Wear sunscreen
- Bring water shoes if desired
A quick reminder ahead of time saves a lot of discomfort later.
Include a Dry Zone
Not everyone wants to get soaked—and that’s okay.
We always provided:
- Seating areas
- Shade whenever possible
- A dry observation space for caregivers or children who preferred to watch
This made the program feel welcoming for everyone.
Timing & Setup
We typically ran Wacky Water Day for 2 hours, which gave families plenty of time to rotate through activities without feeling rushed.
Most supplies could be stored and reused each summer, making setup easier every year.
And despite how simple the concept was, this consistently became one of the most talked-about summer programs in the community.
Sometimes the best programs are the ones that simply give families space to play together.
For more low-cost, high-energy library program ideas, follow along at Youth Services Playbook and connect on Facebook for new posts and programming inspiration.
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