Mini Density cube set,Study Several Properties of Matter. Learn about density, mass, volume, buoynacy, specific gravity, and flotation while experimenting with real-world materials. Made from commonly used aluminum, copper, steel, brass, and zinc.
II Launch Pad, Porta-Pad*, with blast deflector and standoff, two-piece 1/8 inch launch rod, safety cap and key, no glue/tools required, Quick assembly,
Acrylic Light Pipe, 24x1/2in - CleAr, 2 feet of pipe coiled up At one end to demostrAte light trAnsmission end to end, trAnsmits light like fiber optic cAble, Weight (lb): 0.7, Length (in):9.0, Width (in):3.0, Height (in):4.0