Our double-sided number tiles have built-in magnets, so they stick together from every side—for an inviting, hands-on way to build math skills! The translucent tiles feature a numeral 1-10 on one side and the corresponding quantity of dots on the other, so kids can connect them to sequence numbers, match numbers with quantities, and so much more! Set includes 40 durable plastic tiles in 4 colors. Each tile measures 1 3?4" square.