Get acquainted with one of the most interesting products of geological processes with this introductory collection of real specimens of sedimentary rock. Sedimentary rocks are formed from preexisting rocks through the processes of erosion, followed by compaction or chemical precipitation; examples include sandstone, limestone, and coal. The Sedimentary Rock Bag is an economy collection of 6 specimens representative of the sedimentary rock family. Each generous specimen is 1.25" to 1.5" and is contained in a zip lock bag with a label.
This glass Erlenmeyer mug makes an excellent gift!
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
View the glory of space with this hi-tech telescope set!
This chemistry learning and experiment kit comes with components and chemicals for over 75 amazing experiments!
Head into the lab for an in-depth investigation of genetics and DNA!
The Hoberman Sphere expands and contracts with a magical motion so fluid and simple that kids can't help but play with it for hours.