Daisy Castle Blocks, from Quercetti- a division of International Playthings, is an easily stackable bucket of new conception and innovative design; it contains many soft and round rivets, which can be stacked on one another to build towers and scaffoldings. Quercetti Toys are designed to be used over and over without being repetitive, each time inspiring new discoveries and inventions. This 18-piece set includes 10 double size pegs--perfect for building castle-like structures.The holes in pegs allow stacking- sort and stack by color or shape. Large pegged base also serves as top of reusable storage container. Quercetti products are designed to help children develop creativity and intuition while at play. Creativity is an essential for children healthy development and with Quercetti products children develop new physical and mental abilities while also learning to problem solve.