The Bristle Blocks 40 Pieces Preowned Educational Toy for Kids is a set of interlocking blocks designed for children aged 2 and above. Made of durable plastic, this STEM-themed builder set is perfect for promoting creativity and problem-solving skills in young minds. With a bulk lot of 40 pieces, this educational toy offers endless possibilities for imaginative play and construction. Perfect for young builders looking to explore the world of architecture and engineering in a fun and interactive way.