Vinyl Periodic Table Poster, Made of a durable, light weight, waterproof, Colored printing helps your students distinguish between metals, non-metals, and noble gas families, Has 5 grommets to easily hang on the wall or from the ceiling, Dimension: 8x4feet
Bimetallic Strip Demonstration, Single Piece Non-Jointed Bimetallic Strip Of With Wooden Handle, The Metals Are Distinct And Visible. An Improved Version Of The Rivetted Form. Metals Are Copper And Steel.