1 May 2017
- 22:3322:33, 1 May 2017 diff hist +3 Zane Middle School pendulum wave machine →Suggestions for future changes
- 22:3222:32, 1 May 2017 diff hist +290 Zane Middle School pendulum wave machine →Suggestions for future changes
- 22:2522:25, 1 May 2017 diff hist +6 Zane Middle School pendulum wave machine →Costs
- 22:2522:25, 1 May 2017 diff hist +59 Zane Middle School pendulum wave machine →Costs