fischertechnik Advanced Universal Starter (R)Product Description: Models such as the crane with cable winch and worm gear, racing car with steering, teeter totter with four bar linkage teach children a basic understanding for technology. Other creative, mechanical models can be made from the gears, basic building blocks, static parts, wheels and many other parts. This construction set helps children to understand everyday technology by playing. For young designers from age 7. 15 Models 255 Pieces