Thames & Kosmos Catapult Engineering STEM Maker Kit Build 6 Models of Unique Medieval Machines Explore Mechanical Physics Includes Safe Foam Balls

BUILD 6 MEDIEVAL SIEGE MACHINES: Assemble six working models including a catapult, trebuchet, ballista, crossbow, and more. Dive into the world of medieval warfare with hands-on building fun. INCLUDES 32-PAGE ILLUSTRATED MANUAL: Easy-to-follow, full-color instructions guide kids step by step while introducing key physics concepts like force, motion, trajectory, and energy. DESIGNED WITH SAFETY IN MIND: Features soft foam balls and foam-tipped projectiles. Only the included launchers and ammo are compatible, ensuring safe, kid-friendly play every time. BONUS CASTLE & TARGET BLOCKS: The box transforms into a colorable castle for imaginative play, and cardboard targets let kids test their aim and accuracy with their finished launchers. STEM LEARNING MADE FUN: Encourage critical thinking, engineering skills, and creativity through engaging construction and play. Perfect for curious kids who love to build, explore, and experiment.