Buy Crocs™ Fun Lab Cars Size 4 Kid's Clog in Red from $34.99 at Bed Bath & Beyond. The Crocs Fun Lab Cars Kids' Clog adds a pop of color and comfort to his wardrobe. In bright red and made from durable Croslite material, this iconic clog features the legendary Cars graphics with a contoured footbed and a heel strap for a secure fit.The Crocs Fun Lab Cars Kids' Clog adds a pop of color and comfort to his wardrobe. In bright red and made from durable Croslite material, this iconic clog features the legendary Cars graphics with a contoured footbed and a heel strap for a secure fit.