Technic Gear 16 Tooth with Round Holes [Old Style]

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• Motorbike with Sidecar 8571979Expert Builder × 4
• Wright Flyer 101242003Creator Expert × 2
• Mini Robots 40972003Designer Sets × 1
• Technology Resource Set 96492003Technic × 12
• ROBOLAB Team Challenge Set Version 2.5 [USB] 97942003RCX × 4
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• Snaptrax S45 38072002Spybotics × 2
• Williams F1 Team Racer 84612002Racers × 4
• Street 'n' Mud Racer 84722002Racers × 4
• 16 Tooth Gears (Pack of 50) 9706222002Technic × 50
• ROBOLAB Team Challenge Set Version 2.5 [Serial Transmitter] 97932002RCX × 4
• Robotics Invention System, Version 2.0 38042001RCX × 4
• Aero Tube Hanger 73172001Life On Mars × 1
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• Mechanical Engineering Set 96652001Educational and Dacta × 2
• Cities and Transportation 97232000Mindstorms × 4
• Dark Side Developer Kit 97542000Star Wars × 2
• Ant 35821999Znap × 2
• Robotics Discovery Set 97351999RCX × 2

Related parts

• Alternative Technic Gear 16 Tooth Reinforced [New Style] 94925
• Pair Technic Tread Hub 32007