Keep the whole class on time with this set of 24 heavy-duty laminated Student Clocks and one 12" x 12" Demonstration Clock. Measuring 4.5" square, Student Clocks encourage student participation in time-telling activities with movable plastic hands and a place to write in the digital time. Large vibrant Demonstration Clock is perfect for classroom demonstration.Details:Large vibrant demonstration clock is perfect for classroom demonstrationDemonstration clock measures 12" squareStudent clocks measure 4.5" squareFor ages 5 and up