Listed below are some of the other notable construction toy systems that were produced during the 20th century. The list is by no means exhaustive, as by some estimates hundreds of such systems have come and gone over the years.
  • Bing's Structator (Germany)
  • BRAL (Milan, Italy)
  • Construction (E.Germany)
  • Constructor
  • Construct-o-Craft
  • Elektromehaniskais konstructors (Russia)
  • Ezy-Bilt (Australia)
  • FAC (Sweden)
  • Lyons
  • Marklin Metall (Germany)
  • Mekanik (Sweden)
  • Mek-Struct (China)
  • Mini Meta-Build (New Delhi, India)
  • Necobo
  • Palikit
  • Pioneer
  • Primus Engineering Outfits (England)
  • Schefflers
  • Sonneberger
  • Steel Engineering (U.S.A.)
  • Structomode
  • TECC (Czeckoslovakia)
  • Tekno (Norway & Denmark)
  • Thale Stahlbau Technik (E. Germany)
  • The Constructioneer
  • The Engineer (Toronto, Canada)
  • TRIX (Germany and England)
  • Trumodel (U.S.A.)
  • Vogue (Melton Mowbray, England)
  • Wisdom / Sagesse (China)

American Model Builder Set Inventories


All parts are made from nickel plated stamped/pressed steel, except gears which are solid machined brass.
Part # Part Name Set #
0 1 2 3 4 5 6 7
1 pulley, 1½" - - - - - - - 1 1 1 2 1 3 1 4
2 pulley, 1" 4 - 4 2 6 - 6 - 6 - 6 - 6 - 6
3 pulley, ½" - 1 1 - 1 - 1 1 2 1 3 4 7 1 8
4 flanged wheel - - - - - 4 4 - 4 4 8 - 8 - 8
5 bush wheel, 1½" - 1 1 - 1 - 1 - 1 1 2 - 2 3 5
6 gear wheel, 1½" - - - - - - - 1 1 - 1 1 2 2 4
7 contrate, 1½" - - - - - - - 1 1 1 2 - 2 1 3
8 contrate, ¾" - - - - - - - 2 2 - 2 - 2 - 2
9 pinion, ¾" - - - - - - - 2 2 - 2 1 3 - 3
10 pinion, ½" - - - - - 1 1 1 2 - 2 1 3 1 4
11 worm gear - - - - - - - 1 1 - 1 - 1 1 2
12 collar 2 4 6 2 8 2 10 2 12 2 12 42 16 4 20
13 axle, 2" - 2 2 - 2 1 3 1 4 2 6 2 8 2 10
14 axle, 3½" - - - 1 1 1 2 - 2 2 4 2 6 2 8
15 axle, 4½", drilled 2 - 2 1 3 - 3 1 4 2 6 - 6 2 8
16 axle, 5", drilled - - - - - 3 3 1 4 - 4 - 4 - 4
17 axle, 6" - - - - - - - - - 2 2 2 4 - 4
18 axle, 11½" - - - - - - - - - 2 2 - 2 2 4
19 crank, 4½", drilled 1 - 1 1 2 - 2 1 3 - 3 - 3 2 5
20 crank, 5½", drilled - 1 1 - 1 1 2 - 2 - 2 1 3 1 4
21 crank, 6½", drilled - - - - - - - 1 1 1 2 - 2 2 4
22 4-hole strip - - - - - - - - - 4 4 6 10 20 30
23 5-hole strip 6 4 10 - 10 10 20 - 20 10 30 30 60 10 70
24 6-hole strip - - - - - - - 2 2 2 4 4 8 16 24
25 7-hole strip - 2 2 - 2 1 3 3 6 2 8 12 20 20 40
26 11-hole strip 6 - 6 - 6 12 18 2 20 4 24 12 36 36 72
27 25-hole strip - 4 4 4 8 6 14 - 14 6 20 4 24 42 66
28 single bent strip - 1 1 - 1 - 1 1 2 - 2 1 3 1 4
29 large bent strip - - - - - - - 1 1 1 2 2 4 - 4
30 double bent strip - - - 1 1 1 2 - 2 - 2 2 4 4 8
31 5 x 11 flanged plate 1 - 1 - 1 - 1 1 2 - 2 2 4 4 8
32 5 x 7 flanged plate - 1 1 1 2 - 2 2 4 - 4 2 6 4 10
33 sector plate - 1 1 1 2 - 2 - 2 - 2 - 2 2 4
34 angle girder, 5½" - - - - - - - - - 4 4 4 8 12 20
35 angle girder, 12½" - - - - - 4 4 4 8 - 8 2 10 14 24
36 sprocket, 1" - - - - - - - - - - - 2 2 1 3
37 sprocket, 1½" - - - - - - - - - - - 2 2 1 3
38 ladder chain, 4' - - - - - - - - - - - 2 2 2 4
39 angle bracket 6 6 12 - 12 12 24 - 24 24 48 12 60 120 180
40 propellor blade - - - - - - - - - 2 2 2 4 2 6
41 ratchet pawl - - - - - 1 1 1 2 - 2 1 3 1 4
42 spanner/driver 1 - 1 - 1 - 1 - 1 1 2 - 2 - 2
43 screwdriver - - - 1 1 - 1 - 1 - 1 - 1 1 2
44a nut 12 12 24 12 36 24 60 20 80 40 120 130 250 300 550
44b bolt 12 12 24 12 36 24 60 20 80 40 120 130 250 300 550
45 pulley belt - - - - - - - - - 1 1 1 2 2 4
46 spring, 1¾" - - - - - - - - - 1 1 - 1 1 2
47 blue cord, 15' - - - 1 1 1 2 1 3 1 4 2 6 - 6
49 green cord, 80' - - - - - - 1 - 1 - 1 1 2 1 3
50 eye bracket - - - - - - - - - 2 2 2 4 2 6
51 eccentric wheel - - - - - - - 1 1 1 2 - 2 - 2
52 oscillating rack - - - - - - - 1 1 1 2 - 2 - 2
53 hook - - - 1 1 - 1 1 2 - 2 - 2 1 3
54 axle, 8" - - - - - - - - - - - 2 2 2 4
55 knurled driver - - - - - - - - - 1 1 - 1 - 1
56 washer - - - 4 4 - 4 - 4 4 8 - 8 - 8
57 5-hole angle strip - 4 4 - 4 - 4 - 4 2 6 2 8 - 8
58 7-hole angle strip - 2 2 - 2 - 2 - 2 2 4 2 6 - 6
59 11-hole angle strip - 2 2 - 2 - 2 - 2 2 4 2 6 - 6
60 hanger strip - - - - - - - - - 2 2 2 4 - 4
61 wood screw - - - 4 4 - 4 4 8 - 8 4 12 12 24
62 shaft connector - - - - - 2 2 - 2 2 4 - 4 - 4
63 12" rule - - - - - - - - - 1 1 - 1 - 1
64 engine crank - - - - - - - 2 2 - 2 - 2 - 2
65 car wheel - - - 4 4 - 4 - 4 4 8 - 8 - 8
66 truck frame - - - 4 4 - 4 - 4 4 8 - 8 - 8
67 t-strip - - - 4 4 - 4 - 4 - 4 - 4 - 4
68 bolster plate - - - 2 2 - 2 - 2 - 2 - 2 - 2
69 auto wheel - - - - - - - 4 4 - 4 - 4 - 4
70 3 x 7 flat plate - - - 2 2 - 2 - 2 2 4 2 6 2 8
71 5 x 11 flat plate - - - 1 1 - 1 - 1 1 2 2 4 2 6
72 obtuse angle - - - 6 6 - 6 6 12 - 12 12 24 - 24
73 gear wheel, 2½" - - - - - - - - - - - 1 1 1 2
77 instruction book #1 1 1 1 - - 1 - 1 - 1 - 1 - 1 -
78 complete manual - - - 1 1 - 1 - 1 - 1 - 1 1 2
100 motor - - - - - - - 1 1 - - - - - -
150 motor - - - - - - - - - - 1 - 1 - 1
  Total Parts:   54 61 114 73 186 112 298 96 393 196 586 459 1006 968 1973