From their huge metal tracks to their incredibly large digging arms, young readers can learn about the various parts which make a backhoe and other large pieces of earth-moving machinery do the work... This description may be from another edition of this product.
ThriftBooks sells millions of used books at the lowest
everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We
deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15.
ThriftBooks.com. Read more. Spend less.