How tall would a pile of 1000 acorns be? And if those acorns grew into 1000 oak trees, how big would that forest be?As children learn about large numbers, counting becomes less practical and... 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.