Informal learning contexts can include a music room, playground, and planetarium. A music room exposes learners to new music selected by teachers in a bare studio setting. Playgrounds allow children to develop motor skills through outdoor play, learn basic knowledge through experimentation, and understand their capabilities. A planetarium uses dome projections to simulate celestial objects and their motions to educate through portable or large theaters. Informal learning is more effective than formal learning as it allows students to learn about the world through experiences and finding their abilities through direct participation.