Bloomby Rock and Stack Boat Wooden Educational Toys On SALE! Regularly $27.99. Encourages visual exploration, motor development, and inspire your child's early ability to build The beautiful stacking toy rocks back and forth. Each of the 5 beautifully colored precise piecescan be stacked to make a boat formation This toy helps children learn their colors and learn the order and orientation of stacking to produce a model This heirloom-quality toy is meant to be loved and passed down through generations. We create research-based learning toys for your little one's progressive development.