As children piece together our fun-filled puzzles, they get involving, hands-on practice with numbers 1-10! Each self-correcting puzzle represents a different number—with a big numeral piece, plus a corresponding number of objects for children to count. Children simply place the chunky pieces into each hardwood board, building number recognition & mastering one-to-one correspondence as they play! 10 puzzles with easy-grip, raised pieces; each is 7 1⁄2" x 10".