Material: high quality ABS plastic brick; Applicable age: 6 years old and above. Educational tools: Miniature building blocks help improve the novice's overall and fine motor skills spatial awareness and ability to tell stories. Quality and safety: The miniature block is made of high-quality and durable non-toxic green material which is soft and not easily damaged. Its smooth surface and rounded corners make it safe for children. Product List: 1. Building block set * 1;