Parts List for K'NEX Forces, Energy and Motion set

The building set code for the K'NEX Forces, Energy and Motion set is 78790 .  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/support/forms/knex-email-support-form.html 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  92890 K'NEX Spring motor for K'NEX Forces, Energy and Motion set 92890 K'NEX Spring motor
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B  92840 K'NEX Battery Motor Blue for K'NEX Forces, Energy and Motion set 92840 K'NEX Battery Motor Blue
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C  99238 K'NEX Flywheel motor for K'NEX Forces, Energy and Motion set 99238 K'NEX Flywheel motor
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D  90994 K'NEX Spacer Blue for K'NEX Forces, Energy and Motion set 90994 K'NEX Spacer Blue
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E  90900 K'NEX Interlocking clip Tan for K'NEX Forces, Energy and Motion set 90900 K'NEX Interlocking clip Tan
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F  91224 K'NEX Spacer Silver for K'NEX Forces, Energy and Motion set 91224 K'NEX Spacer Silver
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G  909011 K'NEX Clip with Hole end Purple for K'NEX Forces, Energy and Motion set 909011 K'NEX Clip with Hole end Purple
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H  91317 K'NEX Gear small Blue for K'NEX Forces, Energy and Motion set 91317 K'NEX Gear small Blue
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I  91380 K'NEX Tyre Racing wheel Slick 37mm for K'NEX Forces, Energy and Motion set 91380 K'NEX Tyre Racing wheel Slick 37mm
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J  91160 K'NEX Tyre Racing wheel 50mm for K'NEX Forces, Energy and Motion set 91160 K'NEX Tyre Racing wheel 50mm
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K  90993 K'NEX Crown gear medium Yellow for K'NEX Forces, Energy and Motion set 90993 K'NEX Crown gear medium Yellow
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L  91240 K'NEX Tyre Narrow Black for K'NEX Forces, Energy and Motion set 91240 K'NEX Tyre Narrow Black
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M  92013 K'NEX Rubber band 102mm Blue for K'NEX Forces, Energy and Motion set 92013 K'NEX Rubber band 102mm Blue
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N  91975 K'NEX Tyre Small for K'NEX Forces, Energy and Motion set 91975 K'NEX Tyre Small
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O  91254 K'NEX Hub Narrow 50mm Grey for K'NEX Forces, Energy and Motion set 91254 K'NEX Hub Narrow 50mm Grey
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P  90952 K'NEX Rod 54mm Blue for K'NEX Forces, Energy and Motion set 90952 K'NEX Rod 54mm Blue
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Q  90951 K'NEX Rod 32mm White for K'NEX Forces, Energy and Motion set 90951 K'NEX Rod 32mm White
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R  90950 K'NEX Rod 16mm Green for K'NEX Forces, Energy and Motion set 90950 K'NEX Rod 16mm Green
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S  90953 K'NEX Rod 86mm Yellow for K'NEX Forces, Energy and Motion set 90953 K'NEX Rod 86mm Yellow
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T  90954 K'NEX Rod 128mm Red for K'NEX Forces, Energy and Motion set 90954 K'NEX Rod 128mm Red
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U  90958 K'NEX Rod 128mm Orange for K'NEX Forces, Energy and Motion set 90958 K'NEX Rod 128mm Orange
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V  90902 K'NEX Connector 2-way straight Orange for K'NEX Forces, Energy and Motion set 90902 K'NEX Connector 2-way straight Orange
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W  90904 K'NEX Connector 3-way Red for K'NEX Forces, Energy and Motion set 90904 K'NEX Connector 3-way Red
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X  90905 K'NEX Connector 4-way Green for K'NEX Forces, Energy and Motion set 90905 K'NEX Connector 4-way Green
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Y  90906 K'NEX Connector 5-way Yellow for K'NEX Forces, Energy and Motion set 90906 K'NEX Connector 5-way Yellow
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Z  90908 K'NEX Connector 8-way White for K'NEX Forces, Energy and Motion set 90908 K'NEX Connector 8-way White
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