@BoltonSch Tweet 19/10/2017 10:08 AM Tweet 19/10/2017 10:08 AM Posted by Bolton School on 19 Oct 2017 Modified by Bolton School on 07 Sep 2023 @BoltonSch STEM RT @BoltonSchTech: Rail Racer #STEM activity for year 9. Split second timing doesn’t get much closer than this!