Tunning Forks Set this model offers a realistic

this model offers a realistic representation of the human respiratory system

This flexibility ensures comfort for kids up to age 7

500ml + Cylinder 100ml

This sterile single use lancing device supports patient safety and ease of use

It works perfectly with biological microscope

Tunning Forks Set this model offers a realisticA1: 4pc Set, Frequency: 128Hz,256Hz,512Hz, 1024Hz. A2: 4pc Set, Frequency: 256Hz,320Hz,384Hz, 512Hz. B: 8pcs Set Frequency: 256Hz,288Hz,320Hz,341. 3Hz,384Hz, 426. 6Hz,480Hz,512Hz. C: 13pcs Set Frequency: 256Hz, 266. 6Hz, 288Hz, 300Hz, 320Hz, 341. 3Hz, 355. 5Hz, 384Hz, 400Hz, 426. 6Hz, 444. 4Hz, 480Hz, 512Hz. M: 8pcs Set, For Music Frequency: C 261. 6, D 293. 6, E 329. 6, F 349. 2, G 392, A 440, B 493. 9, C 523. 3. Premium Quality: Tunning Forks Set is