3D Pen Tutorial – Flapping Mechanical Bird

3Doodler YouTube Channel – 9.14.18 (9.9.18)

For STEM & real-world learning: Part of the 3Doodler start STEM series, you can make and build working models of real-world mechanisms and learn about how they work. Kids become engineers as they build working models of progressing difficulty level.

Source: 3D Pen Tutorial – Flapping Mechanical Bird