Enhance your Air Toobz creations with the Fat Brain Toys Air Toobz Expansion Pack, designed to double the excitement and possibilities. This set includes six transparent 12-inch tubes, six transparent orange corner tubes, and twelve easy-fit connectors to seamlessly extend your builds. Additionally, enjoy the playful addition of ten colorful EVA foam balls, fostering creativity, spatial reasoning, and STEM learning. Built with high-quality materials, this expansion pack ensures lasting durability and an exceptional play experience.