The Blast Zone Crocodile Isle is the dual-slide water park that families with multiple kids have been waiting for. Twenty-two feet wide, dual curved racing slides, a climbing wall, an oversized splash area, 600 lb weight capacity, and Blast Zone's commercial-grade construction throughout. If racing is what your family is about, this is the unit to buy.

The Blast Zone Pirate Bay is the best backyard water park you can buy at any price. Twenty feet of commercial-grade inflatable fun — bounce house, water slide, crawl tunnel, climbing wall, and two water cannons — built to Blast Zone's unmatched quality standards and backed by their two-year warranty. If you have the yard for it, just buy it. You will not regret it.

If you're looking for an affordable, high-quality inflatable water slide for one or two kids then look no further than the Little Tikes Slam 'n Curve Slide. Simple, safe and fun, this is a water slide that will last your family years to come and provide a ton of memories along the way.

The Little Tikes Rocky Mountain River Race is a great starter water slide for families with young children. It is well-constructed, backed by a solid warranty and yet still very affordable. It won't support kids who are much older than 7 or 8 years old, so you'll definitely get more value out of it if you have younger children, but beyond that there aren't a whole lot of complaints that I have about this model. If you buy it somewhere like Amazon or Wal-Mart you'll have extra assurance that you will be satisfied with your purchase. With that said, I do think you'll be happy with it.

The Little Tikes Jump and Double Slide Bouncer is a high-quality, underrated bounce house that can serve as a great starter model for most families. It comes from a brand that you know and can trust, and will provide hours and years of fun and entertainment for your family.

The Blast Zone Spray N Splash 2 is the best entry point into Blast Zone's water park lineup — 20 feet long, commercial-grade slide and climbing surfaces, a clever inside-return path that keeps the play area clean, and the same two-year warranty that makes Blast Zone the most trusted name in residential inflatables. If the Pirate Bay is more than your yard or budget calls for, this is exactly where to start.

The Team Magnus Devilfish 31ft is the best slip and slide you can buy for a family that takes backyard fun seriously. Thirty-one feet of heavy-duty PVC, twin racing lanes, an inflatable crash pad, and a two-year warranty put it in a completely different class from the roll-out-on-the-grass alternatives. A few setup caveats worth knowing about, but nothing that should stop you from buying it.

Let me start with a number that tends to get people's attention: bounce houses send an estimated 10,000 children to the emergency room every year in the United States. Fractures, sprains, and head injuries make up the vast majority of those visits — and more than one in four injuries is a broken bone.

I'm not telling you this to scare you off bounce houses. I'm telling you because most of those injuries are preventable, and the parents in the room when they happen usually didn't know what to watch for. A well-run rental from a reputable company, with an attentive adult supervising, is genuinely safe. The injuries happen when the setup is wrong, the supervision is absent, or the weather turns and nobody acts on it.

Here's what the research says about the risks, what good rental companies do about them, and what parents need to do on their end.

Inflatable water slides are the upgrade move in the bounce house world. More impressive than a standard bouncer, more involving for kids, and — if we're being honest — more fun to watch from a lawn chair with a cold drink. They're also meaningfully more expensive to rent and more demanding to set up. Before you book one, it helps to know what you're actually getting into.

The short answer on price: expect to pay $250 to $500 for a standard residential-sized water slide rental for a full day in most U.S. markets. Larger commercial units push past $600, and in high cost-of-living markets you'll hit those numbers with mid-sized units too. But the price is only part of the picture — water slides have setup requirements that a bounce house doesn't, and a little advance planning will save you real headaches on the day of the party.

Here's everything you need to know.

A bounce house birthday party is one of those ideas that sounds simple right up until you're three weeks out and realize you haven't booked anything, your backyard has a slope you forgot about, and your child has invited fourteen kids to a unit rated for six.

I've been there. Most parents have.

The good news is that with a little advance planning, a bounce house party is genuinely one of the easiest formats to pull off well. Kids essentially entertain themselves for two hours, parents can actually have a conversation, and the birthday kid feels like royalty. There's a reason these parties have become so popular.

Here's everything I'd want to know before planning one — from booking timing to day-of logistics to what to do when it rains.