Hape Quadrilla Wooden Marble Run Construction Basic Set Add On Awards: Parents Choice Gold, Dr. Toy Best Active Product Smart Design Booklet included Quadrilla blocks are colored in child safe, water based stains. Includes 49 pieces including : Helix (Spiral), Rails, Connecting Blocks and Accelerators plus 50 Colorful Marbles. Ages 3 and up Awards include Creative Child Construction Toy of the Year, Parenting Magazine Mom Tested Toys of the Year, Fanmily Fun Finalist