Wallace Elementary School students in Dallas celebrate their Garver Chain Reaction Challenge win after creating an elaborate Rube Goldberg machine that ran continuously for two full minutes. Garver planned to give out a $1,000 prize to each of the top five videos sent by schools, but the company received so many quality submissions that it ultimately gave out nine $1,000 prizes-plus a special Grand Champion award IMAGE_JUNGLE/GETTY IMAGES Some employees nominated schools where their children attend, some picked a facility where their spouse works, and some even chose schools that they themselves attended as children. Then, employees delivered STEM kits-which included items ranging from ramps and balls to rubber mallets and sink strainers-and worked with students to show them the basics of creating a chain reaction. Garver also provided schools with stipends to purchase any needed additional materials, and then students set out to design and build their WINTER 2020 ENGINEERING INC. 41