8-Piece Aluminum Scientific Tuning Fork Set with Wooden Case Pack Size_50 levitating above one another when

levitating above one another when oriented with like poles facing

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

Sodium chloride lattice kit with 27 color-coded gray and green atoms plus 54 connectors for building the full cubic NaCl crystal structure in three dimensions

autoclavable and thermal-shock resistant for daily lab use

Walks students through four-stroke diesel operation on a 16-inch hand-cranked model

8-Piece Aluminum Scientific Tuning Fork Set with Wooden Case Pack Size_50 levitating above one another whenEight aluminum shank tuning forks tuned to scientific pitch (C4 = 256Hz) and ranging from 5 9 16 to 7 1 8 inches, each foam protected in a wooden case with frequencies labeled.