The Tic-Tac-Toe unit is perfect for children between the ages of 2 and 12 years old. The ‘X’ and ‘O’ panels come in yellow, and the two posts come in red. The bars that hold the panels in place are blue. The diameter of the upright posts are 3.5 inches. This unit is ADA accessible, so all children are able to enjoy playing with it. Tic-Tac-Toe is a classic game loved by all, and the Tic-Tac-Toe unit will teach kids important critical thinking skills as they play it. Order this unit to add a fun pop of color to your playground! Custom colors are available upon request at extended lead times.