Resonance Box with C-E-G-C Tuning Forks and Hammer Physics_Alternative Energy and adult stages for metamorphosis

and adult stages for metamorphosis and life-cycle teaching

5 inch diameter unit produces a +/-3mm controlled vibration on a string or ripple-tank dipper when driven by an external square-wave generator

and triple bonds

and numbered anatomical details for comprehensive teaching

this 2-pack of 20oz Griffin-shape borosilicate beakers adds a pouring spout for everyday home use

Resonance Box with C-E-G-C Tuning Forks and Hammer Physics_Alternative Energy and adult stages for metamorphosisSolid wooden resonance box mounts four steel forks tuned to C 256Hz, E 320Hz, G 384Hz, and C' 512Hz a major chord array struck with the included hammer to amplify intervals and harmony.