Oppenheim Toy Portfolio Platinum Award 2006! Quadrilla! Fast moving marble runs have never been this fun! Basic Set contains 49 brilliant pieces of high quality wood. Wooden pieces fit together for amazingly easy construction & highly stable design. Loaded with possibilities for design innovation. With: Helix (Spiral), Rails, Connecting Blocks & Accelerators, 50 Colorful Marbles. Instructions for 4 rail combinations. Ages 4+
