K'NEX Ball jump
This K'NEX ball jump sends every ball up into the air at speed!
View video
You will need:
1. A K'NEX Base kit
2. One or more K'NEX red/yellow balls (or you can use balls of similar size such as golf balls)
3. Eight lengths of MICRO K'NEX Coaster Track 203mm straight 203mm/8 inch long (in any colour), and…
Next, fit all the track support sections to the sides, to form the frame for the ball run.
You will also need to twist the top parts of each support section in the direction shown in the photo, ready to fit the track.
Join four lengths of track together to create one side of the ball run, and then join the other four lengths of track together to create the other side of the ball run.
..and then attach the track to the top half of the frame, by carefully following the photo opposite.
Your ball jump is now complete!
Testing
Before testing, we recommend that you place a small tub near the bottom of the ball jump, to catch the ball when it lands.
What next?
If you have more track, can you make you ball jump longer?
Or even design a model in which the ball loops a loop?
Website last updated 2 October 2024. Feedback 
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