This kit allows users to increase the size, complexity and richness of their models. The number of interesting things one can build increases exponentially when one has more parts. This kit is perfect for those who have already caught the Zometool bug or families and groups who want to build together. Total parts: 738.
— As of 11/15/2012 this product had 4.7 out of 5 stars from 9 reviews on Amazon.com. Pros: A great educational tool; can be used to teach geometry, or just for fun. Cons: Rods have to be pushed really hard into the balls in order for the creations not to fall apart.