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
MDF Wheel, 6mm thick fibre board, 54mm and come with drilled centre holes for 4mm dowel, There are also available in 54mm and 74mm or you can order a mix bag
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