Learn the science behind the amazing Slinky. What is a wave? How are seismic waves formed? How are waves measured? There's a lot of science in that spring!

Booklet contains instructions for twelve activities including

* Extension and torsion springs.
* Transverse waves.
* Standing waves.
* Longitudinal waves.
* Slinky earthquakes (seimic waves).
* Slinky spring scale.
* Slinky SONAR.
* Slinky Races.

This kit contains a regular Slinky, a Slinky Jr., a suction cup with hook, a sponge, two plastic cups, string, and a toothpick. You add a washable marker, paper, tape, a heavy book, watch with a second hand, something heavy like a brick, 20 pennies, and a board or ramp.

Ages 8 years and up.

WARNING! Choking Hazard - Small parts. Not for children under 3 years.

Gift wrap orders: input salutation in the comment section at the end of the ordering process.