DJECO's interpretation of the classic wood nesting and stacking blocks, the exceptionally attractive artwork will engage, entertain and delight. Each block is designed to fit within the next one while also stacking into an impressive tower; decorated with whimsical animals and numbers 1 - 10. Helps build motor skills. sequencing, storytelling and role playing. Every DJECO product is made from the highest quality materials and is completely non-toxic; meets and exceeds all US and European safety standards.