Explore and discover how science, technology, engineering, and maths shape the world around us with 25 hands-on experiments for curious kids. From racing wind-up cars and building a sturdy sandcastle to creating a wave machine and making music with a homemade guitar, STEM Lab is packed with 25 exciting STEM (Science, Technology, Engineering, and Maths) activities. Why do rafts float? How do bridges stay upright? How do seals stay warm? And how can you make a ball levitate? Each activity in the book has its own "How it works" section uncovering core STEM ideas to help young readers discover the fascinating answers for themselves. Simple, easy-to-follow, photographic steps guide young readers through each experiment, along with essential tips and engaging STEM facts. "Test and tweak" boxes encourage readers to take their projects to the next level, while "Real world" stories show how STEM ideas make up our modern, everyday world.