There is a 16mm wide black runway in the white field. This tracking car can drive along the black runway automatically. No matter how the runway is bent, the car can be driven automatically. We all know that the reflectivity is different when the light source to the white objects and black objects. Here...

Bundle of 6 Greenwich Bay Trading Co. Soap Bars. Includes 1.9oz mini soap bar for hand washing. Indulge yourself in this intoxicatingly alluring scent. Greenwich Bay Trading Co. based out of Raleigh, North Carolina has been making luxury soaps since 1962. These soap bars are free from animal testing and are the perfect gift...