Hand-Driven Newton's Color Disc Mechanics_Force & Motion Aluminum-handled collecting net swings lightweight

Aluminum-handled collecting net swings lightweight through tall grass and air sweeps for classroom field trips and introductory entomology sampling work

and mechanical-advantage experiments

5 inches of nylon bristles for scrubbing glassware up to 4 inches in diameter

Turning the hand crank walks students through every stage of the 2-stroke gasoline firing cycle on a 14-inch model

Hand-Driven Newton's Color Disc Mechanics_Force & Motion Aluminum-handled collecting net swings lightweightHand driven Newton's color disc that spins seven painted segments fast enough to merge into apparent white through persistence of vision and additive color mixing.