Meet Happy Atoms: an app-enabled educational set that teaches you a thing or two about molecules. It has everything students need to visualize complex molecules and understand various chemistry concepts. The 17-atom set comes with 8 x H, 3 x C, 2 x N, 2 x O, 1 NA, and 1 CL atoms. The app is available for iPhone and iPad.
Happy Atoms let you create molecules from plastic atom models that connect using magnets. Ideal for middle school and even high school students.