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String Spinners
![main resize.jpg](https://static.wixstatic.com/media/bdb8b4_cb2704f0cf7548fb928521bf39387d1e~mv2.jpg/v1/fill/w_241,h_259,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/main%20resize.jpg)
Project Snapshot
Explore the concept of angular momentum with this fast-spinning contraption.
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Try out different numbers and positions of wheels to create spinners that rotate like tops, or seem to defy gravity by spinning diagonally!
![Step 1](https://static.wixstatic.com/media/bdb8b4_da51bda13d6246e087a2bb72cbff1e95~mv2.jpg/v1/fill/w_144,h_144,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/bdb8b4_da51bda13d6246e087a2bb72cbff1e95~mv2.jpg)
Step 1
![Step 2](https://static.wixstatic.com/media/bdb8b4_4862217d1c8c438f86bdae24a04051d4~mv2.jpg/v1/fill/w_144,h_144,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/bdb8b4_4862217d1c8c438f86bdae24a04051d4~mv2.jpg)
Step 2
![Step 7](https://static.wixstatic.com/media/bdb8b4_9dcad58c8afb4f4aad776193a955a1c8~mv2.jpg/v1/fill/w_144,h_144,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/bdb8b4_9dcad58c8afb4f4aad776193a955a1c8~mv2.jpg)
Step 7
![Step 1](https://static.wixstatic.com/media/bdb8b4_da51bda13d6246e087a2bb72cbff1e95~mv2.jpg/v1/fill/w_144,h_144,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/bdb8b4_da51bda13d6246e087a2bb72cbff1e95~mv2.jpg)
Step 1
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Click to expand
Tools and Materials
The Engineering Creation Kit has everything you need for this project and many more from STEM Inventions, or get the supplies in bulk:
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Craft sticks
Tips and Troubleshooting
If the spinner isn't spinning for very long, then...
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Make sure to pull down quickly and in a linear path. Pulling slowly or off to the side won't work.
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Tilt the launcher forward as soon as the string releases from the spinner.
If the wheels or cable tie are sliding around the dowel, then...
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Apply a small amount of glue where the wheel hub or cable tie touches the dowel.
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