I Made a Ball Rollercoaster that's also a Clock

5000 Balls vs. Gravity Well Machine

I Built a Marble Machine that Makes Pixel Art

Building a REAL pawn that transforms into a queen (automatically)

Can You Charge A Phone with Marbles?

I Automated My Typewriter…

I Made 9 Different Mechanical Displays

I 3D Printed a $1,175 Chair

Electromagnetic Aircraft Launcher

$2 vs $40,000 Notre Dame Marble Run

HUGE Magnet VS Copper Sphere - Defying Gravity- Will a Neodymium Magnet Float Inside?

This Machine is Better At Basketball Than You...

BUILDING A MARBLE CLOCK - Pt.1.

Six questionably legal pencil sharpeners

I Made A $5,000 Redstone Competition!

This Car Travels Farther Than You Push It

Making pop rocks from scratch (is complicated)

Can you 3D Print a Mechanical Clock?

Professional Engineer versus the FINAL LEVEL of Poly Bridge 3...

Destroying Lego Towers

3 Hours vs. 3 Years of Blender