Neutral Litmus pH test paper tests for Neutrality of a solution, or its acidity or alkalinity, does not come with a color chart, test strip will turn red if dipped into an acidic solution (pH <7) or blue if dipped into an alkaline solution (pH >7), Size: 100 test strips
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
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