BIG Marble VS Kick Drum - Sound Test
26:10
Can I Turn This Wobbly Flywheel Straight? - DAY 7,8,9 - Marble Machine Flywheel Prototype
18:08
Bass Drum Head Comparison - Which Kick Drum Head Fits Your Sound? | Finding Your Own Drum Sound
16:59
Flywheel Torque Limiter - Marble Machine X#90
16:34
THE STRANGEST SPEAKER I HAVE EVER SEEN - The MegaLeslie
28:35
TOP 20 GREATEST DRUM SOUNDS OF ALL TIME
6:22
Testing a Faster Wheel - Is the Music Tighter?
24:24
Glass Armonica (spinning glass bowls... that break)
14:11