Dump Truck Rock Cruncher part 2. In thisMercedes counts the rocks 11 to 20. This truck is also known as a Tipper Truck, Tipper Lorry, Dumper and Dump Truck.\rbrEntertaining videos for children, toddlers, preschool or kids of any age. Learn letters, small words, colors, numbers and shapes in a fun and creative way. Our videos for kids use fun cartoons with monster trucks, motorcycles, fire trucks, animals, puppets and much more.