It provides an excellent way to test your students'' knowledge on rock specimens
Ball includes 100 questions
It can be used at school in organized classroom activities
It can also be used on the playground or at home
24'' Diameter

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 6.5 inch
Height : 0.7 inch
Length : 8.3 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 1.6 ounce (View shipping rates and policies)

ASIN : B005QDWACM