Build a Chair STEM Challenge August 8, 2022 Build a Staircase STEM Challenge August 8, 2022 DIY: Make Your Own Vibrating Pen August 3, 2022 DIY: How to Make a Microscope July 24, 2022 Seeing Sound STEM Challenge July 22, 2022 Marble Maze STEM Challenge July 22, 2022 Carbon Dioxide Balloon Race STEM Challenge July 22, 2022 Air Pollution Detective STEM Challenge July 22, 2022 Water Bending STEM Challenge July 21, 2022 Separating Inks STEM Challenge July 20, 2022 Hot Cold Ball Bounce STEM Challenge July 14, 2022 Sink or Swim STEM Challenge July 14, 2022 Load More
