Smartivity Infinity Calendar organizer

Build your very own wooden calendar desk organizer by following easy and step-by-step instructions. A must for every desk, every day, and every stationary collection. Learn about the concepts of Geneva Mechanism, Ratchet Pawl Mechanism, and Drop Cam Mechanism along the way. Trusted by parents and loved by kids in countries. Every Smartivity toy goes through months of extensive research and testing before launch; carefully crafted by a team of toy designers, and tested by children, parents, STEM experts.