Present your child with this double-sided mat that introduces subtraction in a fun and engaging way. Using the Melissa & Doug wipe-off crayons (sold separately) or a No. 2 pencil, play becomes active learning--and mastering these important academic skills becomes as easy as 1, 2, 3!   6/pkg.

Present your child with this double-sided mat that introduces subtraction in a fun and engaging way. Using the Melissa & Doug wipe-off crayons (sold separately) or a No. 2 pencil, play becomes active learning--and mastering these important academic skills becomes as easy as 1, 2, 3!   6/pkg.