I am having extreme difficulty finding dominoes less than 4.5cm x 2.5cm x 0.8cm in size. All stores seem to sell from the same manufacturer, which are too large. Can I grind down commercially made dominoes to meet the maximum size requirements?

Dominoes must be unaltered commercially manufactured and less than 6.0 cm x 3.0 cm x 1.0 cm. This increase in size is due to the difficulty of finding the smaller size dominoes in certain regions of the country.

Please clarify what constitutes a "competition violation."

Any rule violation that occurs during the actual operation time is considered a competition violation. If there is not a penalty assessed per section 8, it will result in tier 2 placement.

Is it legal to lift the spring off the trapping (snap) portion of the mousetrap and attach the extension bar directly to the spring?

No, lifting the spring off the snap portion of the mousetrap would be a violation of 3.c.line 2 by modifying the mousetrap so that it would not function as intended and attaching the extension bar directly to the spring would be a violation of 3.c.lines 4-6, which states that items, other than the extension bar attached to the snap portion, may not be added to the mousetrap.

May students connect the two snap bars and have one extension bar or connect the two extensions?

Yes, students are allowed to connect the 2 snap portions of the mousetraps with either one or two extension bars. The mousetraps may not be connected in any other way.

May competitors bring their own bolts to use instead of those provided if they fit the description in the rules?

No, Teams must use the equipment provided by the Event Supervisor.

Must teams use all 3 bolts to attach the Attachment Base of the Boomilever to the Testing Wall?

There is no requirement that teams must use all 3 bolts to attach their Boomilever to the testing wall.