Frog Skeleton can output 4 level DC

can output 4 level DC voltage 1

and industrial pH testing environments

In repulsion the rings float on a mysterious invisible forcefield

2-Way (bi-amplified) speaker system with clarity

Wooden Shell Construction

Frog Skeleton can output 4 level DCThis frog skeleton is fixed on the platen in a natural posture. Durable, clear acrylic allows close up viewing from all angles. Premium Quality: 100% Anatomically correct, this model is made of high quality PVC, hand painted and assembled with the utmost attention to detail. This model can be used as a visual aid in schools for biological lessons. If you need custom order with different sizes design please contact us. Safely Packaged to avoid being