A constructivist approach to learning science concepts and systems. Designed with classroom teachers in mind, this easy to use creation project is great for class work, homework, and mini assessments. These models are focused on the layers of the earth and the inside aspects of the earth, soil, and volcanoesWhen buying this bundle you are saving 22% on EACH of the 4 activities included.The 3D Models included in this SUPER Science bundle:Earth's LayersMoon's LayersSun's LayersSun-Earth-Moon Compa