Parts List for K'NEX STEM Explorations Roller coaster set

The K'NEX STEM Explorations Roller coaster set dates from 2016. The building set code is 77078.  Click here to download the instruction book for this set.
Parts missing from a new set
1. If you have purchased this K'NEX set recently and are still within the “return policy window”, please return or exchange your item at the point of purchase for a new kit with a complete set of all parts.
2. If you have purchased this K'NEX set from new, and parts were missing or broken when you bought it, and you are unable to return/exchange the set at the point of purchase, please visit https://www.basicfun.com/customer-support/ on the Basic Fun website and answer the questions on that web page to raise a missing part request.
Buying parts
If, instead, you want to buy extra parts for the set, please:
1. Click on [Buy] below for each part that you need, to view the product page for that part, and then select [Buy] again.
2. Proceed to Checkout, and enter your name, address, payment method, etc.
Alternatively, you can use the menu on the left to identify and purchase the parts that you need.

Ref Code Description  Buy?
A  509502 MICRO K'NEX Rod 14mm Black for K'NEX STEM Explorations Roller coaster set 509502 MICRO K'NEX Rod 14mm Black
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B  509512 MICRO K'NEX Rod 25mm Yellow for K'NEX STEM Explorations Roller coaster set 509512 MICRO K'NEX Rod 25mm Yellow
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C  509522 MICRO K'NEX Rod 40mm Dark Grey for K'NEX STEM Explorations Roller coaster set 509522 MICRO K'NEX Rod 40mm Dark Grey
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D  509532 MICRO K'NEX Rod 63mm Red for K'NEX STEM Explorations Roller coaster set 509532 MICRO K'NEX Rod 63mm Red
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E  509542 MICRO K'NEX Rod 94mm Purple for K'NEX STEM Explorations Roller coaster set 509542 MICRO K'NEX Rod 94mm Purple
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F  509552 MICRO K'NEX Rod 138mm Blue for K'NEX STEM Explorations Roller coaster set 509552 MICRO K'NEX Rod 138mm Blue
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G  530302 MICRO K'NEX Rod 200mm Orange for K'NEX STEM Explorations Roller coaster set 530302 MICRO K'NEX Rod 200mm Orange
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H  509092 MICRO K'NEX Connector 4-way 3D Blue for K'NEX STEM Explorations Roller coaster set 509092 MICRO K'NEX Connector 4-way 3D Blue
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I  509062 MICRO K'NEX Connector 5-way Red for K'NEX STEM Explorations Roller coaster set 509062 MICRO K'NEX Connector 5-way Red
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J  509052 MICRO K'NEX Connector 4-way Light Grey for K'NEX STEM Explorations Roller coaster set 509052 MICRO K'NEX Connector 4-way Light Grey
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K  509032 MICRO K'NEX Connector 2-way Orange for K'NEX STEM Explorations Roller coaster set 509032 MICRO K'NEX Connector 2-way Orange
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L  509012 MICRO K'NEX Clip with Hole end Green for K'NEX STEM Explorations Roller coaster set 509012 MICRO K'NEX Clip with Hole end Green
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M  509081 MICRO K'NEX Connector 8-way Black for K'NEX STEM Explorations Roller coaster set 509081 MICRO K'NEX Connector 8-way Black
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N  509072 MICRO K'NEX Connector 7-way 3D Dark grey for K'NEX STEM Explorations Roller coaster set 509072 MICRO K'NEX Connector 7-way 3D Dark grey
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O  509042 MICRO K'NEX Connector 3-way Yellow for K'NEX STEM Explorations Roller coaster set 509042 MICRO K'NEX Connector 3-way Yellow
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P  509142 MICRO K'NEX Clip with Rod end Tan for K'NEX STEM Explorations Roller coaster set 509142 MICRO K'NEX Clip with Rod end Tan
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Q  509002 MICRO K'NEX Interlocking clip Blue for K'NEX STEM Explorations Roller coaster set 509002 MICRO K'NEX Interlocking clip Blue
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R  530600 MICRO K'NEX Spacer 6 Wide Translucent White for K'NEX STEM Explorations Roller coaster set 530600 MICRO K'NEX Spacer 6 Wide Translucent White
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S  530400 MICRO K'NEX Spacer 4 Wide Blue for K'NEX STEM Explorations Roller coaster set 530400 MICRO K'NEX Spacer 4 Wide Blue
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T  512242 MICRO K'NEX Spacer 3 Wide Metallic blue for K'NEX STEM Explorations Roller coaster set 512242 MICRO K'NEX Spacer 3 Wide Metallic blue
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U  516400 MICRO K'NEX Snap cap Black for K'NEX STEM Explorations Roller coaster set 516400 MICRO K'NEX Snap cap Black
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V  509022 MICRO K'NEX Connector 2-way straight Purple for K'NEX STEM Explorations Roller coaster set 509022 MICRO K'NEX Connector 2-way straight Purple
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W  90953 K'NEX Rod 86mm Yellow for K'NEX STEM Explorations Roller coaster set 90953 K'NEX Rod 86mm Yellow
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X  90951 K'NEX Rod 32mm White for K'NEX STEM Explorations Roller coaster set 90951 K'NEX Rod 32mm White
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Y  90954 K'NEX Rod 128mm Red for K'NEX STEM Explorations Roller coaster set 90954 K'NEX Rod 128mm Red
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Z  90904 K'NEX Connector 3-way Red for K'NEX STEM Explorations Roller coaster set 90904 K'NEX Connector 3-way Red
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ZA  848900 K'NEX Snap cap Black for K'NEX STEM Explorations Roller coaster set 848900 K'NEX Snap cap Black
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ZB  91224 K'NEX Spacer Silver for K'NEX STEM Explorations Roller coaster set 91224 K'NEX Spacer Silver
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ZC  91994 K'NEX Spacer small Light grey for K'NEX STEM Explorations Roller coaster set 91994 K'NEX Spacer small Light grey
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ZD  530801 MICRO K'NEX Transition Rod 21mm Fluorescent Red for K'NEX STEM Explorations Roller coaster set 530801 MICRO K'NEX Transition Rod 21mm Fluorescent Red
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ZE  531100 MICRO K'NEX Classic-to-micro reducer clip Yellow for K'NEX STEM Explorations Roller coaster set 531100 MICRO K'NEX Classic-to-micro reducer clip Yellow
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ZF  90900 K'NEX Interlocking clip Tan for K'NEX STEM Explorations Roller coaster set 90900 K'NEX Interlocking clip Tan
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ZG  90950 K'NEX Rod 16mm Green for K'NEX STEM Explorations Roller coaster set 90950 K'NEX Rod 16mm Green
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ZH  24351G MICRO K'NEX Coaster Track 203mm straight Green for K'NEX STEM Explorations Roller coaster set 24351G MICRO K'NEX Coaster Track 203mm straight Green
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ZI  99138OR MICRO K'NEX Coaster Track 203mm straight Orange for K'NEX STEM Explorations Roller coaster set 99138OR MICRO K'NEX Coaster Track 203mm straight Orange
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ZJ  847816 MICRO K'NEX Coaster track semi circle Green for K'NEX STEM Explorations Roller coaster set 847816 MICRO K'NEX Coaster track semi circle Green
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ZK  509870 K'NEX Chain link Small 20mm for K'NEX STEM Explorations Roller coaster set 509870 K'NEX Chain link Small 20mm
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ZL  850200 MICRO K'NEX Chain Guide for K'NEX STEM Explorations Roller coaster set 850200 MICRO K'NEX Chain Guide
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ZM  517900 K'NEX Sprocket gear Black for K'NEX STEM Explorations Roller coaster set 517900 K'NEX Sprocket gear Black
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ZN  90908 K'NEX Connector 8-way White for K'NEX STEM Explorations Roller coaster set 90908 K'NEX Connector 8-way White
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ZO  99880 MICRO K'NEX Coaster track semi circle Orange for K'NEX STEM Explorations Roller coaster set 99880 MICRO K'NEX Coaster track semi circle Orange
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ZP  22722 K'NEX Battery Motor Green for K'NEX STEM Explorations Roller coaster set 22722 K'NEX Battery Motor Green
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ZQ  24153 MICRO K'NEX Coaster Car Silver for K'NEX STEM Explorations Roller coaster set 24153 MICRO K'NEX Coaster Car Silver
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