Polydron Engineer Class Set by Polydron InternationalCall Number: 516.22 Pol
250 pieces: 4 baseboards, 1-3 hole linkage, 4- 7 hole linkage, 1 cam, 6 small gears, 6 medium gears, 6 large gears, 8 small pulleys, 4 medium pulleys, 2 'O' rings (410 mm), 2 handles, 2-80 mm struts 3- 90 mm struts, 8- 180 mm struts, 1-200 mm strut, 3-330 mm struts, 18 stub axles, 8 connectors, 22 squares with round holes, 12 solid squares, 10 squares with strut hole, 4 octagons with cut-out, 40- FW squares, 20 connected squares, 14 rectangles, 24 FW right angle, 8 equilateral triangles, 1- 1m long cord, 1 cord with clip, 12 work cards ; in box.