Resonance Box with C-E-G-C Tuning Forks and Hammer Physics_Alternative Energy and numbered anatomical details for

and numbered anatomical details for comprehensive teaching

Micro Plus stethoscope features stainless steel chest piece and spare components for cardiovascular assessment and medical training

2 triple-tandems

and adult stages for metamorphosis and life-cycle teaching

backed by dual screw fine-tuning and a 10mm diameter 5-inch stainless steel connecting rod

Resonance Box with C-E-G-C Tuning Forks and Hammer Physics_Alternative Energy and numbered anatomical details forSolid 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.