No time to go to the beach? Creative coder Neal Agarwal’s online toy Rocks lets you enjoy a soothing oceanside pastime from the comfort of your computer screen. The browser-based rock simulator offers sounds of the surf and four virtual rocks for your balancing enjoyment.
Amanda Ghassaei created this wonderful this online plaything which lets you create virtual origami constructions and view them in 3D. You can choose how flat or folded the virtual paper is, and select from a variety of models to tinker with. You can also import SVG or FOLD files, and export both the 3D models and folding patterns.