8-Piece Aluminum Scientific Tuning Fork Set with Wooden Case Physics_Waves & Oscillation Drops a dense object and

Drops a dense object and a feather together inside a 20-inch evacuated glass tube

6oz each in a 4-pack for chemistry-themed home entertaining and science enthusiast gifting

Life-size head cross-section exposes cranial vault

the thinnest gauge for mounting the smallest and most delicate insect specimens in permanent displays

and inner ear sections support detailed auditory anatomy teaching at 3x enlargement for classroom visibility

8-Piece Aluminum Scientific Tuning Fork Set with Wooden Case Physics_Waves & Oscillation Drops a dense object andEight 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.