Design a custom marble roller coaster using these materials and enjoy the twists and turns as you set the marble flying!

How much energy does a roller coaster need to go through a loop without getting stuck? Build your own marble roller coaster in this project and find out!

Design and build your own roller coaster using poster board! Send a marble down your roller coaster's twists and turns and land it in a cup to end the ride. Upload photos of your poster coaster to the Design Squad website for a chance to...

Use an online physics simulator to compare the real-world behavior of a physical device like a catapult, ball run, or Rube Goldberg machine to a computer simulation in this fun science project.