These screen sieves can be used by students for geological applications. The four different sizes (by standard US scale: 5, 10, 60, 230) will allow students to separate and grade soil and rock sampes in order to determine the make-up of soil strata. Set includes bottom pan and lid with Teacher's Guide. Could also be used for a science fair experiment.
An ancient toy featuring optical illusion and hands-on fun that never grows old!
This adapter-powered butterfly uses Flexinor wires to create a realistic visual effect!
Find the hidden crystals when you open your own geodes from this fun set.
This mirascope creates a 3D hologram image!
Use this kit to introduce electromagnetic principles in the classroom setting!
Discover how solar cells make electricity with this awesome kit!
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