Most teachers and parents will agree: Children are natural inventors. They also enjoy building things with such manipulatives as Legos. Robotics was the route to dynamic, problem-based learning for fourth- and fifth-grade students at Emma Sherman Elementary School at Henrietta, New York, because it capitalized on students’ natural inventing abilities and enthusiasm for constructing. This article describes how these elementary students collaborated with engineering students from The Rochester Institute of Technology (RIT) to build, design, and program robots using ROBOLAB.