How to Play 3-D Tic-Tac-Toe

Ages: 9-12
Location: Indoors
Skills: Physical, art, social

What you'll need:
Copy of the pattern
4 strips of tri-wall cardboard, 6" x 1 1/2"
3 plexiglass squares, 3 3/4" x 3 3/4"
Ruler
Fine-point permanent marker
Utility knife
White glue
40 beans (20 each of two different kinds)
Index card
Zip lock bag

Background:
Children will find that the construction of this game is well worth the effort. Resembling Mr. Spock's three-dimensional chess board, this 3-D Tic-tac-toe game is more challenging to play, and more satisfying to win.

What to do:
1. Place each plexiglass square over the pattern. Draw the grid, using the ruler and fine-point marker.

2. Mark the four tri-wall strips as shown.

3. Cut a deep slit at each mark with the utility knife.

4. Put a small amount of glue on the corner of one plexiglass square and insert it into a slit on the cardboard. Repeat with the other two plexiglass squares.

5. Attach the other three legs, one by one, using the same method.

6. Print directions on the index card and store it in the zip lock bag with the beans.

Rules of play:
1. Each player gets 20 beans of the same kind.

2. Players take turns placing one bean on any of the 27 squares.

3. The game is won when one player has three beans in a row, horizontally, vertically, or diagonally, on one plane or through all three.

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