Blocks are made to meet the specifications of the NYS Weather & Climate required lab.  They all have the same mass to study the effects of warm air vs cold air on volume and mass.  A huge improvement over the cardboard ones your expected to use!

This set of Red and Blue Pressure Blocks is a must-have for any class studying air pressure and science in general. The blocks are designed to help students understand and visualize the concept of air pressure, and how it relates to the earth and space around us. With a focus on science education, these blocks are perfect for anyone looking to enhance their understanding of the subject. Whether you're a student, teacher, or anyone who loves learning about science, these blocks are sure to provide a unique and engaging learning experience.