Blood Pressure Transducer, used to measure direct arterial or venous pressure in animals, accurate and linear measurements, Operating Pressure: 0 to +300 mmHg, Sensitivity: 5 uV/V/mmHg, Operating Temperature: 15 degC to 40 degC,
Butterfly Lifecycle Stages, Children can see how butterflies change as they grow with the Painted Lady Butterfly Life Cycle Stages. The accurately detailed Egg, Caterpillar, Chrysalis and Adult Butterfly replicas are oversized for little hands