Zometool Pure Carbon Science Kit
Meet nature's favorite construction toy Build beautiful and accurate models of graphite, diamond and graphene molecules as well as a model of the carbon atom. Learn why soft graphite works in pencils and lubricants while diamond is the hardest material known (make diamond bubbles too.). Clear and colorful step-by-step instructions provide context to help you build relevant models and understand what makes them interesting. Zometool is 100% made in the USA using wind-powered electricity and kid-safe materials. All Zometool kits are guaranteed for life: we replace broken parts for free.