Sedimentary rock is formed by deposition and consolidation of mineral and organic material and from precipitation of minerals from solution. In this awesome kit, you will learn to identify and classify 15 sedimentary rocks using the rock guide and magnifier included. Highly recommended as a teaching resource for use in the classroom setting or as part of a science fair project on minerals!
This SUPER Erector Construction set is one of the best you'll find anywhere!
This great rock tumbling kit comes with everything you need to polish stones and gems!
High-quality green laser pointer projects a green dot up to an incredible 2 miles away.
This classic desk toy will keep you amused!
This kit allows to build up to 3 different robots!
Create all kinds of marble run combinations with this 80-piece Marble Run set!