Mechanical Engineering Set
34 of 322 parts available now
#2847c01
Battery Box, 9V 4 x 14 x 4 with Dark Gray Base [Complete Assembly]
Light Gray
1× needed
Stock unknown
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#6551c01
Pole Reverser / Polarity Switch with Center Part [Complete Assembly]
Light Gray
1× needed
Stock unknown
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#4132168
Storage / Sorting Tray, Dacta, 40 Compartment for Dacta Small Bin
Trans-Clear
1× needed
Stock unknown
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#6538b
Technic Axle Connector Ridged [with x Hole x Orientation]
Light Gray
4× needed
Stock unknown
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#3749
Technic Axle Pin without Friction Ridges Lengthwise
Light Gray
12× needed
Stock unknown
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#32269
Technic Gear 20 Tooth Double Bevel with Axle Hole Type 2 [X Opening]
Green
2× needed
Out of stock
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#3648b
Technic Gear 24 Tooth [New Style with Single Axle Hole]
Light Gray
2× needed
Stock unknown
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#76019
Technic Gear 24 Tooth Clutch with Dark Gray or Light Gray Center
White
1× needed
Stock unknown
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#3650c
Technic Gear 24 Tooth Crown with Reinforcements [New Style]
Light Gray
2× needed
Stock unknown
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#6573
Technic Gear Differential, 24 -16 Tooth with Clutch on Both Sides
Dark Gray
1× needed
Stock unknown
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#2780
Technic Pin with Friction Ridges Lengthwise and Center Slots
Black
24× needed
Stock unknown
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#85546
Technic Rubber Belt Large [33mm ID] [Round Cross Section]
Yellow
5× needed
Stock unknown
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#85544
Technic Rubber Belt Medium [24mm ID] [Round Cross Section]
Red
5× needed
Stock unknown
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#85545
Technic Rubber Belt Medium [26mm ID] [Round Cross Section]
Blue
5× needed
Stock unknown
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