This cross curricular versatile class kit comprises teachers’ and pupils’ plastic dry wipe boards, suitable for measuring, comparing, adding and subtraction temperature, weight and time. Use the durable plastic elapsed time rulers to compare analogue/digital time, intervals of time, continuous and elapsed time for 12/24hrs. The folding meter/imperial rulers measure length/height in any direction. Includes: 30 x A5, plus 1 x A2+ weight boardsn30 x A5, plus 1 x A2+ measures boardn30 x A4, plus 1 x A2+ time boardsn5 x folding metre rulersn6 x pupil elapsed time rulersn1 x demonstration elapsed time rulernnSuitable for ages: 7+