This Roller Coaster Building Set from K'Nex Education STEM Explorations is a fun way for kids to learn. Kids can grasp STEM (science, technology, engineering and maths) concepts as they create a motorised roller coaster from over 500 pieces. This set can also be used to create a half-pipe coaster or an incline coaster and is ideal for up to 3 children to work on projects together. Learn about the relationship between speed and time, variables in an experiment and how to gather, analyse and interpret data, as you build towards completing a thrilling roller coaster ride!