Artec Density Measuring MaterialFrom the Manufacturer
Density Comparison Set (Cylinders) Three different solid metal cylinders. You will learn that weight differs according to material even though their volume may be the same. Solid cylinders made of three different kinds of metals. You can learn that the weights differ according to the material even when the volumes are the same.
Features of Artec Density Measuring Material Great Price Great educational, fun and interactive toys Designed in Japan