The award-winning virtual building toy, scores high among kids and adults alike. Hundreds of carefully drawn blocks can be stacked and grouped in infinite ways, allowing endless model building possibilities. This major upgrade features a 'hi-tech' user interface and dozens of greatimprovements: real-time block moving, rotation, printing, background images, colored or gradient backgrounds, sound effects and much more. Many example models are included, ready to be loaded and modified. Includes FREE Windows wallpaper maker!