🏗️ Build Your Kingdom, One Block at a Time! Includes knight figures and a horse for epic fantasy quests. Engage with features like a working catapult and drop-down drawbridge. Master critical thinking and engineering skills through play. Design, build, and redesign your own castle creations! Ideal for ages 5+, fostering early engineering skills. 123 pieces 2 knight figures 10 challenge cards The Learning Resources Engineering & Design Castle Set is a 123-piece building toy designed for children ages 5 and up. It promotes STEM learning through hands-on engineering challenges and interactive play features, including a working catapult and knight figures for imaginative adventures.