This webpage contains an interactive simulation that allows users to explore quantum bound states in multiple potential wells, and to see the formation of  bands of energy levels.  Users can interactively change features such as the number, width, spacing, and height of the wells, and see the changes to the energy levels and energy eigenstate wave functions continuously. Options also include using square and Coulomb shaped wells. Probability densities and wave functions can be shown using a variety of representations. This simulation is also contained within the Quantum Bound States simulation.
Also included is a teacher's guide as well as sample learning goals for use with the simulation.
This simulation is part of a large and growing collection. It has been designed using principles from physics education research and refined based on student interviews.