Technic Axle 12
3708
Technic Axles
Appears in 680 official sets
Catalog rarity
Common
Used in 680 official sets — a staple element in many builds. Available in 5 catalog colors.
Based on official set inventories in our catalog — not market price or production volume.
Best sets to source this part
Smallest official sets that include this element — useful when you only need one piece, not the whole theme.
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View set →Cross Axles (Sizes 8, 10, 12)5254-1 · 1987 · 9 parts · Black
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View set →Cross Axles & Extensions5267-1 · 1993 · 16 parts · Black
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View set →Rahkshi7138-1 · 2010 · 18 parts · Black
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View set →Cross Axles5226-1 · 1998 · 18 parts · Black
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View set →Training Kit5005231-1 · 2018 · 22 parts · Black
Technic Axle 12 (part 3708) is a Technic Axles used in 680 official LEGO sets. Scan or search to authenticate loose parts and check market value. Open the parent-set list to see which themes and years used this mold — essential when a common shape appears in a rare color or print.
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Market value
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Color variants
Sets containing this part
791 sets · page 22 of 33
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Silver Champion8458-1 · 2000 -
Mission Experience Pack8450-1 · 2000 -
Power Puller8457-1 · 2000 -
Energy Work, Power Starter Set9680-1 · 1999 -
Train Track Snow Remover4533-1 · 1999 -
Racer3521-1 · 1999 -
Super Street Sensation8448-1 · 1999 -
Crane Truck8446-1 · 1999 -
eLAB Renewable Energy Set9681-1 · 1999 -
Red Fury5533-1 · 1999 -
Air Enforcer / Supercopter8444-1 · 1999 -
ROBOLAB Team Challenge Set (Serial)9790-1 · 1999 -
Ant3582-1 · 1999 -
Robotics Discovery Set9735-1 · 1999 -
Helicopter3554-1 · 1999 -
Exploration Mars9736-1 · 1999 -
ROBOLAB Amusement Park Set9725-1 · 1999 -
Forklift3520-1 · 1999 -
Fire Helicopter8253-1 · 1999 -
Droid Developer Kit9748-1 · 1999 -
Robotics Invention System, Version 1.59747-1 · 1999 -
TIE Fighter & Y-wing7150-1 · 1999 -
Tow Truck8462-1 · 1998 -
Cross Axles5226-1 · 1998