Will this toy engine work at full size? (yes)
12:48
Pop-Pop Boats Are Weirder Than You Think
12:07
Space filling curves filling with water
16:28
Propeller Killer? High Efficiency Paddle Vs. Propeller
17:07
340. The most splendid little boat you ever will see!
31:59
I Make This Tiny 2-Stroke Engine From Scratch
17:57
Gearless Magnet Bike
15:07
Eu construo um barco movido a velas do filme "Ponyo" de Miyazaki Hayao
34:59