Solid Brass Ball - With Hook - 38mm Diameter Item number PNBB38-H. Regularly stocked item. Usually ships within 3 to 5 business days.
grades 8 to 12
ages 13 to 18
list price $33.09 our price $16.55 savings $16.55 (50%)
This solid brass drilled ball with hook is excellent for use as a pendulum bob or in impact and collision experiments. Features 3mm countersunk hole so pendulum cord knots can be recessed. 38mm diameter.
DNA Manipulatives Kit
Developed by teachers, this kit aids students in understanding the principles of recombinant DNA technology. It con... grades 8 to 12 more