Weight Comparison Block 8351 1 box

You can feel the difference in pressure depending on the area of ​​the part you touch. You can also see that even if the volume is the same, different materials have different weights. Because it is a rectangular prism, you can feel the difference in pressure on your palm depending on the area of ​​the base when you place it on your palm. Two types of plastic are included: polyvinyl chloride and polyethylene. Children can learn that some types of plastic float and others sink in water. Product size: 20 x 40 x 50 mm Material: Iron, aluminum, polyvinyl chloride, PE, wood (pine) Packaging: Boxed (with cushioning material)