BUILDING A MARBLE CLOCK THAT SHOWS SECONDS - Pt1.
BUILDING A MARBLE CLOCK THAT SHOWS SECONDS - Pt3.
BUILDING A MARBLE CLOCK THAT SHOWS SECONDS - Pt2.
BUILDING A MARBLE CLOCK Pt.4 - NOW FASTER!!
BUILDING A MARBLE CLOCK - Pt.1.
10 CRAZY Clocks You Won't Believe EXIST!
marble clock hour change
BUILDING A MARBLE CLOCK - Pt. 3
Marble Clock - Striking Midday
Wintergatan - Marble Machine (music instrument using 2000 marbles)
3D printed sundial displays the time digitally
I Finally Discovered Perpetual Motion
Marble machine 2.1 in 34 seconds
Short Term Memory Loss Theater - SNL
marble apple clock
Marble Run Islands
day 3 of watching harry potter
SHE PULLED THE SWORD OUT OF THE STONE RIGHT IN FRONT OF ME IN DISNEY WORLD