(4 Ea) Black Dry Erase Board 9x12 Transparent Blue Book Rings are just right Georgian Book Rings are just right for creating your very own motion and flip books The "rev up" mechanism inside each of these four cars and trucks makes it easy for babies and toddlers to get big acceleration with just a little input: Pull back one of the soft vehicles then release to see it zoom off across the floor Quality write and wipe surface is non ghostingHardboard backing is warp and chip resistantRounded corners and smooth edges for comfort and safetyAdhesive squares included for mounting Rounded corners and smooth edges for comfort and safety