With eeBoo First Words Tot Towers children learn the alphabet and numbers 1-10 while building and knocking down these sturdy and colorful nesting blocks. Builds large motor skills. Encourages learning about size and proportion, shape-sorting and balance. Promotes language and concept development Largest block is approximately 6 inches. Set of 10 blocks beautifully illustrated by Saxton Freymann.We are a women-owned business dedicated to sustainability, safety, and the creation of original and extraordinary gifts and toys. This item is made of 90% recycled materials, printed with vegetable-based inks. For over 25 years, eeBoo has created wholesome, educational games and activities that cultivate conversation, socialization, and skill-building while introducing our world.