This set includes 10 nesting blocks made from sturdy cardboard, each varying in size and featuring letters and recognizable pictures. The blocks are designed to fit neatly inside one another for compact storage. Suitable for children ages 2 and up, the product encourages hands-on, screen-free play. It is constructed with FSC-certified materials (FSC C156584), supporting responsible forestry practices. This certification applies to new inventory only. The blocks serve as an engaging learning tool for toddlers and preschoolers.