Your students will love this demonstration model that teaches the principles of how tornadoes form. Students will learn about how a strong updraft is important, about convergence and rotation, about funnel speed and how it is related to funnel width and many more exciting tornado facts. Comes with a teacher’s guide.
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
This toy combines the wonders of Sea Monkeys and glow-in-the-dark fun, all in one!
This genuine meteorite is great for the rock collector in your family!
Head into the lab for an in-depth investigation of genetics and DNA!
Watch what your music can create with this amazing Snap Circuits set!
This 10 inch realistic model has removable organs that can be studied and set back into the correct position!