Fully extend this slinky pop toob and twirl it to create a cool whistling sound. The toob extends up to 4 times its compressed size. You can also twist it and use several toobs to make cool creations. Awesome as an economical desk toy--makes a great stress reliever!
Build over 100 exciting electronic projects with this easy to use kit!
This classic device is used to demonstrate the conservation of mechanical energy.
View the glory of space with this hi-tech telescope set!
This top of the line 21 inch tall Galileo thermometer features 10 floating spheres.
Use this kit to introduce electromagnetic principles in the classroom setting!
This kit focuses on teaching children about electricity and how electronic devices work!