Ring Toss. A classic game for family fun, it also is perfect for developing hand-eye coordination in addition to motor skills. The Elite Sportz Ring Toss Game ($20, originally $30) has more than 11,000 five-star reviews, so you can't go wrong.
Backyard Soccer. Set up "goal posts" (a few bright T-shirts or towels will do), and start kicking the ball up and down the "field" (aka your backyard).
Fly a Kite. The first time you fly a kite is a joy that's unmatched. But if you're a beginner, you may want to start with Honbo's Large Delta Kite ($17), which is as colorful as it is easy to fly.
Bubbles. While bubble shooters are fun gadgets, there's nothing like breaking out the bubble wands of our youth. Check out this Giant Bubble Wands Set ($16); your kids will love creating new shapes (although smaller ones may need a little assist).
Hopscotch. All you need are some chalk and a stone to toss, and you're ready to hop on one leg, then two, then . . . well, you get it. With more than 21,000 five-star reviews, Chalk City Sidewalk's Jumbo Chalk ($10) is the washable nontoxic set you need.
Tetherball. Nothing quite brings back memories of recess like tetherball. This GoSports Tetherball and Rope Set ($50) is a portable alternative for the backyard.
Potato-Sack Race. Go old school with a relay race.
Tug of War. Bring it back to field day with this colorful Tug of War Rope ($23) that can be played by kids and adults alike.
Frisbee Golf. Show off your frisbee skills with a game of frisbee golf with the kids. If you're looking for a place to start, this portable Metal Disc Frisbee Golf Goal Set ($80) comes with nine frisbee discs and a lightweight base.