Explore the physics fun found in these moving machines. Kids can build their own catapult, trebuchet, and windmill, then make 'em move when they explore STEM Explorers Motioneering from Learning Resources. This STEM building set comes with all of the pieces kids need to build, test, and tweak their moving STEM creations. As they build, they'll learn about kindergarten STEM skills from engineering and design to force, motion, and more. Kids will also use their newfound critical thinking skills to tweak their machines and solve the set's tricky STEM challenges. After they master the set's progressive STEM challenges, kids can even build their own. STEM Explorers Motioneering includes 56 building pieces and an activity guide with 8 STEM challenges. This fun learning tool is ready for homeschool or kindergarten classroom use.