# Stopwatch for Pinewood Derby

**URL:** <https://community.particle.io/t/stopwatch-for-pinewood-derby/3486>\
**Category:** Project Share\
**Created:** [March 17, 2014, 6:02pm UTC](https://community.particle.io/t/stopwatch-for-pinewood-derby/3486 "2014-03-17T18:02:09Z")\
**Posts on this page:** 1\
**Showing post:** 31

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**Author:** ![wgbartley](https://sea2.discourse-cdn.com/flex026/user_avatar/community.particle.io/wgbartley/32/1910_2.png) [@wgbartley](https://community.particle.io/u/wgbartley)\
**Post date:** [March 21, 2014, 3:15am UTC](https://community.particle.io/t/stopwatch-for-pinewood-derby/3486/31 "2014-03-21T03:15:00Z")

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You could also pick up cheap cat toy lasers or keychain lasers from some place like Walmart. Use a rubber band or tape or binder clip to hold down the button.

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_[View the full topic](https://community.particle.io/t/stopwatch-for-pinewood-derby/3486)._