Crafted from select hardwood and accented with child-safe dyes, Stacking Cars feature bright colors, a clever contour that stacks in any combination and easy-roll wheels that are simple for babies and toddlers to spin. They're ideal for young toddlers improving hand-eye coordination and becoming more interested in imitating the real world around them. And with lots of colorful interest and race-ready wheels, they will keep older toddlers and preschoolers busy building sorting skills and vocabulary, and initiating a world of imaginative play!