This Urban Engineering DIY Building Blocks set, known as Twist Egg Blocks, comes with 288 pieces in a display box, making it a substantial option for creative construction. Crafted from durable plastic, these blocks are designed for children aged 6 to 12 years, offering a hands-on building experience that encourages imaginative play and fine motor skill development. The set is ideal for constructing various structures and shapes, providing endless possibilities for young builders. Sold wholesale by the box, this product is a practical addition to any toy assortment.