Teach the foundational concept of ten with ten-frames! Reinforce counting, one-to-one correspondence, base ten, place value, number patterns and operations. Students place magnetic counters on their board, then raise it to show their answer. The magnetic write-and-wipe boards feature a ten-frame on one side and a double ten-frame on the other. Includes 4 boards, 100 double-sided foam magnetic counters (red and yellow) and an Activity Guide. Boards measure 7 x 6¼ in. Size: 19.3 x 27.4 x 8.9 cm. Ages 5+.