We made a custom board for Pops/Oma and another for CC/Larry. The dark rocks came from Seapoint Beach, the light ones from Rye Harbor.

The game board consists of nine tic-tac-toe boards arranged into one big tic-tac-toe boards. When you win a small board, you put a big rock with your color on it. When you win three small boards in a row, you win the game.

But there’s a twist:

When you place a small rock, you force your opponent to play on the small board that corresponds with the cell where you put your rock. There’s a lot of thinking!

Here are the rocks, washed and drying:

And the boards in progress:

On the flip side is a checkerboard for a game we invented called Tower Checkers. We never quite finished the rules, though. Here’s what we have currently: