Ball & Socket (54 parts)

The larger 'ball' and smaller 'towball' joints can be used to attach parts at any angle while also allowing them to rotate.

These parts are especially useful for building organic forms, since they can be posed in a wide range of positions.

I have heard from several LEGO Masters contestants that the smaller towball parts often ran out in the brick pit.

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Ball & Socket (54 parts)
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Ball Joint

A larger ball and socket that is significantly stronger than a towball Joint.

Part Name(Part Number)
Overall
Rank
# Pieces(Rank)
# Sets(Rank)
# Colors(Rank)
Years
Produced
2×2 Brick, Ball Joint, 1-Ball57909
723
740634
275634
71612
2007-202620 years
2×2 Brick w/ Ball Joints, 2-Balls17114
1478
1311571
911258
52325
2007-202620 years
2×2 Brick w/ Ball Joint Socket67696
431
1255472
365517
21389
2007-202620 years
1×2 Technic Liftarm w/ Ball Joint, Straight67697
1271
2071269
941229
61899
2009-202618 years
1×2 Technic Liftarm w/ Ball Joint, Angled50923
1142
356956
158908
33261
2005-202622 years
2L Extender, 1-Ball, 1-Socket74261
1546
2931062
991192
15614
2012-202110 years
2×3 Ball Socket w/ Axle Hole67695
252
2577288
565363
33144
1999-202628 years
1×3 Liftarm w/ Middle Ball98577
2049
1211630
671460
15654
2012-20187 years
R
3×3 Angle, 2-Balls, 1-Axle Hole47300
2228
1111700
332126
24150
2004-20107 years
R
5L Bean, 1-Ball, 2-Sockets90622
2539
652180
282322
24195
2011-20166 years
R
5L Forked, 2-Balls, 1-Socket90617
1023
368938
1071137
81420
2011-20177 years
R
6L Forked, 2-Balls, 1-Socket, 2-Pin Holes90616
1822
1141677
471775
42745
2011-20188 years
R
7L Forked, 2-Balls, 1-Socket, 2-Pin Holes90615
2477
552327
282326
33372
2011-20188 years
R
9L Forked, 2-Balls, 1-Socket, 4-Pin Holes90613
3215
372767
93940
42848
2011-20188 years
R
3L Beam, 1-Ball, 1-Socket90612
1522
1441503
611530
61928
2011-20188 years
R
4L Beam, 1-Ball, 1-Socket90611
1292
1751389
661469
101160
2011-20166 years
R
5L Beam, 2-Balls, 1-Socket90609
971
355958
1221060
101135
2011-20188 years
R
6L Beam, 2-Balls, 1-Socket, 1-Pin Hole90608
1581
1121687
471776
91314
2011-20166 years
R
7L Beam, 2-Balls, 1-Socket, 2-Pin Holes90607
1807
1241612
561602
33305
2011-20188 years
R
9L Beam, 2-Balls, 2-Socket, 4-Pin Holes90605
3540
253296
143251
24338
2011-20188 years
R
5×2 Dbl. Socket w/ Axle & Pin Holes89650
992
2631120
1051152
14754
2004-20129 years
R
7×2 Dbl. Socket w/ Axle & Pin Holes50898
1040
2331189
751389
18524
2005-20128 years
R
Armor #4, Ball Socket90640
866
3261003
891266
26259
2011-20188 years
R
Hand w/ Socket & Axle Hole93575
815
3041044
157911
21405
2009-201810 years
R
Armor #3, Ball Socket90641
877
333985
1011181
21404
2011-20188 years
R
3×3 Angle, 2-Balls, 1-Axle Hole41670
1163
3051042
391944
16626
2002-20076 years
R
Armor #5, Ball Socket90639
994
2471153
791351
20438
2011-20188 years
R
5L Beam w/ 2-Ball, ½ Gear47306
1338
851940
821328
15709
2004-20096 years
R
2×7 Limb w/ 2-Ball32173
1232
1931308
591559
13844
1999-201012 years
R
Large Torso Armor w/ Ball Socket90652
1305
1031762
691444
16643
2011-20188 years
R
4×7 45° Limb w/ Ball, Axle Hole32476
1372
1431510
501719
13857
2001-201010 years
8L Limb w/ Wedge Sides45749
1417
1481487
591562
91297
2003-20108 years
R

Towball Joint

A small ball and matching socket that allows you to position parts at any angle.

Part Name(Part Number)
Overall
Rank
# Pieces(Rank)
# Sets(Rank)
# Colors(Rank)
Years
Produced
1×2 Plate w/ Towball, End22890
891
1030526
343541
15581
2016-202611 years
1×2 Plate w/ Towball, Both Ends3170
2299
782016
611536
15700
2023-20264 years
N
1×2 Plate w/ Towball & Socket, Ends14419
1046
715649
230712
15584
2014-202613 years
1×2 Plate w/ Towball, Side14417
595
2276316
684297
15574
2014-202613 years
1×4 Plate w/ Towball, Side3184
1021
3111033
146950
71634
1970-202657 years
2×2 Plate w/ Towball, Side15456
563
965549
420464
91253
1979-202648 years
2×4 Wedge w/ Towball2508
1019
2601124
202774
61895
1989-202638 years
1×2 Plate w/ Towball Socket, End14418
644
1938351
606340
15576
2014-202613 years
1×2 Plate w/ Towball Socket, Side14704
440
3498238
934219
24081
2014-202613 years
1×4 Plate w/ Flat Towball Socket, Side98263
2226
702124
531662
24188
2008-202619 years
2×2 Plate w/ Towball Socket63082
694
713650
379502
61869
1979-202648 years
1×4 Plate w/ Towball Socket, Side3183
1321
1501478
1111114
61927
1970-201142 years
R
2×4 Plate w/ Towball Socket, Top3779
5316
94959
64799
16287
2024-20252 years
N
Bar 1L w/ Towball22484
593
891571
328563
101113
2016-202611 years
12L Bar w/ Towball, Open Stud6076
1930
622214
491750
61998
1992-202433 years
1×2 Beam w/ Towball5995
3999
223486
84169
24365
2025-20262 years
N
Technic Axle w/ Towball2736
559
1635409
633328
33250
1988-202639 years
Technic Pin w/ Towball66906
402
3468239
862234
33244
1994-202633 years
3L Towball, Bar w/ Pin 80477
2575
652182
391960
15728
2022-20265 years
Hook w/ Towball30395
924
339975
299599
52286
1999-202628 years
-33° 3×2 Scoop w/ 2-Studs, Towball4089
5049
85090
64815
24714
1980-19867 years
R
1×1 Round Plate w/ Towball3614
1370
357954
711421
33260
1974-200431 years
R