<ul><li>Wooden board 12 squares by 18 squares with the numerals 1-18 printed across the top. A wooden box contains 9 red wooden strips and 9 blue wooden strips of varying lengths both printed with the numerals 1 to 9.</li><li>Dimensions of Wooden Board: 16 x 12 inches</li><li>Recommended Ages: 5.5 years and up</li></ul><br><br>Wooden board 12 squares by 18 squares with the numerals 1-18 printed across the top. A wooden box contains 9 red wooden strips and 9 blue wooden strips of varying lengths both printed with the numerals 1 to 9.

Montessori Addition Strip Board