Back to top
Grade Level
Top Results
Poppy Humanoid
da
Poppy Project
47,178
Spinning Balancing Bird
da
Mark Ledwold
25,266
Curiosity Rover
da
NASA
17,956
Newton's Cradle
da
Corey Schwenke
17,512
Screw
da
Kirby Downey
25,293
Geared Heart, Hand Crank Edition
da
Greg Zumwalt
34,753
Nautilus Gears
da
Misha Tikh
28,728
Combustion Engine
da
Jack Imakr
59,847
F16 Rocket and Base
da
Christian
6,657
Mechanical Gyroscope
da
Wilson Nickel
19,765
Perpetual Motion, da Vinci Style
da
Greg Zumwalt
29,305
Geared Cube, Hand Crank Edition
da
Greg Zumwalt
11,883
Saturn V Rocket
da
NASA
34,399
Impossible Bearings
da
MyMiniFactory
39,715
Back to top