It has a rotating capsule and a needle

Technical Details

Product Details

Package Dimensions
Width : 7.7 inch
Height : 0.5 inch
Length : 14 inch

Shipping Weight: 1.25 pounds (View shipping rates and policies)

ASIN : B000VYHWFG

Product Description

Dimensions: 14-1/8''L x 8''W. This large demo compass can be used to show different features of the compass and how it works.