What is a safe way for how to keep ants out of a sandbox? They've currently taken over. It has to be a nontoxic solution since the kids play in the sand.
I'd love to know too. I tried using black plastic on the bottom before putting the sand down. I tried sprinkling cinnamon around the sandbox. Neither worked, the ants still came!
Does your sandbox currently have a cover? If not, I'd start there. Make a cover that fits snugly.
You can also try sprinkling cinnamon in the sand and mixing it well. Use a lot of cinnamon, and sprinkle more in the sand regularly. A lot of bugs don't like cinnamon, so this may help deter them from making a home in your sandbox.