MainSTREAM Science Grades 3-4Challenge students to join forces to find solutions to real world problems with MainSTREAM Science. This program weaves together Science, Technology, Reading, Engineering, Art, and Math seamlessly. Each kit focuses on one Project Based Learning challenge in which students band together to find a solution to the problem. Inclusive Playgrounds Grades 34 Students are faced with the challenge of designing and building a model of an "inclusive" playground