Edx education® Ten Frames Classroom Set helps children in visualising numbers to develop number sense, and to become proficient in addition and subtraction. Make simple maths concepts such as addition and subtraction more hands-on and engaging as a visual aid. Ten frame is 16cm x 6.5cm.. Set includes: 16 ten frames and 160 counters in plastic container. Size:20cm x 16cm x 8cm. Age: 5yrs+. Product Code: EDX26203C