If you want to build your own cornhole game, you've probably realized that those cheap plastic sets from the big-box stores just don't cut it. They're too light, they bounce when the bag hits them, and they usually end up cracking after one summer in the sun. Building your own set is one of those projects that feels incredibly rewarding because it doesn't require a master's degree in woodworking, yet the result is a professional-grade game that can last for decades if you treat it right.
There's something uniquely satisfying about showing up to a backyard BBQ or a tailgate with a set of boards you made yourself. You get to pick the wood, customize the colors, and ensure the surface is perfectly slick—not too sticky, not too fast. Let's break down how to get this done without making it more complicated than it needs to be.
Gathering Your Materials
Before you start sawdusting your garage, you need a quick trip to the hardware store. For a standard, regulation-sized set, you're going to need some decent lumber. Don't just grab the cheapest warped 2x4s you can find; take a minute to look for straight pieces.
Here is the basic list: * Two pieces of 1/2-inch or 3/4-inch Baltic birch plywood (2 feet by 4 feet). * Four 8-foot 2x4s (for the frames and legs). * A box of 2 1/2-inch wood screws. * Four carriage bolts (3/8-inch diameter, 4 inches long) with matching washers and wing nuts. * Wood glue (don't skip this; it prevents the boards from rattling). * Sandpaper (60, 150, and 220 grit).
If you want your boards to feel "pro," go with the 3/4-inch plywood. It makes the boards heavier, which means they won't move around when a heavy bag hits them. It's a bit more expensive, but the playability is night and day compared to the thinner stuff.
Cutting the Frame and Top
The official size for a cornhole board is 2 feet wide by 4 feet long. Most hardware stores sell "project panels" that are already cut to 2x4 feet, which saves you a lot of hassle. If you're cutting them from a full sheet of plywood, just make sure your corners are perfectly square.
For the frame, you'll need to cut your 2x4s. For each board (you're making two, remember), you'll need: 1. Two pieces at 48 inches (the sides). 2. Two pieces at 21 inches (the ends).
When you put these together, the 21-inch pieces go inside the 48-inch pieces. This gives you a total width of 24 inches (since a 2x4 is actually 1.5 inches thick). Screw them together using your wood glue and wood screws. It helps to pre-drill your holes so the wood doesn't split—nothing ruins a project faster than a giant crack in your frame right at the end.
Once the frames are done, lay your plywood top on there. Apply a bead of glue along the top of the frame, set the plywood down, and screw it into place. I usually space the screws about 8 to 10 inches apart. If you're feeling fancy, you can countersink the screws so the heads sit just below the surface, then fill them with wood filler later.
The Perfect Six-Inch Hole
This is the part that stresses people out, but it's actually pretty simple. The hole needs to be exactly 6 inches in diameter. Its center should be 9 inches down from the top of the board and 12 inches in from either side (right in the middle).
The easiest way to do this is with a 6-inch hole saw attachment for a drill. If you don't have one and don't want to buy one for a single project, you can use a compass to draw the circle and then cut it out with a jigsaw. Just go slow. If the hole is a little jagged, it's not the end of the world—that's what sandpaper is for. Just make sure the edges are smooth so they don't snag the bags.
Crafting the Legs
The legs are the only "tricky" part because they need to be angled so the back of the board sits exactly 12 inches off the ground.
Cut four pieces of 2x4 to about 12 or 13 inches long. To get that nice rounded top where the leg attaches to the frame, you can use a compass or even the bottom of a soup can to draw a half-circle. Cut that with your jigsaw and sand it smooth.
Now, you'll bolt the legs to the inside of the frame using your carriage bolts. Once they're attached, you have to find the right angle for the bottom of the feet. The best trick? Set your board on a flat table or workbench, propped up so the back is exactly 12 inches high. Extend the legs down past the edge of the table and use the table's surface as a guide to draw a straight line across the leg. Cut along that line, and your legs will sit perfectly flush on the driveway.
Sanding and Finishing for Performance
Now that the construction is done, you've technically managed to build your own cornhole game, but you aren't finished yet. Raw wood is "grabby." If you try to play on unfinished boards, the bags will just thud and stop exactly where they land.
Start by sanding everything. Use the 60-grit to get rid of any major bumps, then move to 150, and finish with 220. You want that plywood top to feel like glass.
When it comes to paint or stain, the world is your oyster. Some people love the look of stained wood with a simple border, while others go all out with sports team decals or elaborate paint jobs. Whatever you choose, the "secret sauce" is the clear coat. You'll want to apply at least three or four coats of a water-based polycrylic.
Sand lightly with very fine sandpaper between coats. This creates a finish that allows the bags to slide just enough to be challenging, but not so much that they slide off the back of the board every time.
Don't Forget the Bags
While you're waiting for the paint to dry, you have to decide if you're going to make the bags too. Regulation bags are 6x6 inches and weigh between 15 and 16 ounces. They're usually filled with whole-kernel corn (hence the name) or plastic resin pellets.
Personally, I prefer the resin pellets. Corn eventually breaks down into dust, and if you leave your bags in the garage, squirrels or mice might decide they're a snack. Resin bags can get wet and they last forever. If you're handy with a sewing machine, use heavy-duty duck cloth or canvas. Double-stitch the seams because these things take a beating. If you aren't interested in sewing, you can find high-quality bags online for twenty or thirty bucks.
Final Touches and Maintenance
Once everything is assembled and dry, give it a test run. Does it wobble? You might need to tighten the wing nuts on the legs. Is it too loud? Some people like to stuff a bit of insulation or an extra piece of 2x4 inside the frame to deaden the sound when the bag hits.
To keep your boards in good shape, don't leave them out in the rain. Even with a good finish, moisture can cause the plywood to warp over time. Store them in a dry place, and they'll be the centerpiece of your backyard parties for years to come.
There's a real sense of pride that comes when someone asks, "Hey, where'd you get these boards?" and you get to tell them you built them yourself. It's a simple project, but it's one that brings people together. Now, go grab some wood and get started!