Earthquake Watch Kit Balls

Earthquake Watch Kit BallsUsed to determine pattern of earthquakes over the world's surface. Kit contains one large (50" x 35") world map with Pacific Ocean intact and a supply of map pins (100 ea. of three colors). Students use the information of U. S. Coast and Geodetic Survey earthquake cards to plot the location of earthquakes on the world map. Bathymetric contours and landform relief shown. Unit of Sale : Each

then paint between the points using the included twine for precise results each time

Does not chip

Professional-quality performance features a swivel lanyard attachment

Angleball can be played with up to 30 people at a time

averages and highs and lows

Lengthen the rope for slower ball rotation

Each of the sections is 2 feet long x 4

Precision manufactured in accordance with firearm standards

Measuring Jars: gill

no-bounce balls

in which 2 metals of unequal co-efficient of expansion are used to show unequal expansion

Available in aluminum with a tubular aluminum handle securely riveted to the paddle