Centre of Gravity Kit, Weight (lb): 1.2, 14.6, x 5.9, x 1.6in Consists of one support, 5 plumb lines, 1 roll of tape, 5 figures (triangle, L, trapezoid, parallelogram, parallelopiped), helps students in individual research of the center of gravity of a flat body
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