Experiments (with tag Warning: Stains - show all) Continue Lava Lamp A blibby blobby lava lamp you can make in minutes! Lava lamps have been around for years and are mesmerising to watch. In this experiment, using no heat source we make a crazy lava lamp of our own. Continue Walking Water Colourful water goes for a stroll up out of one glass and into another in this incredible experiment! Can coloured water really step out of a glass and into another? What forces could be at work in this experiment that let water defy gravity and common sense? Continue Anti-Gravity Water Make water defy gravity by staying in an upturned glass... Is it magic? It looks it! Is it possible to make water "float" inside an upturned glass without pouring out? With science know-how it is! Continue Chromatography Butterflies Snazzy butterflies and the colourful chemistry of inks, brilliant! Did you know that most inks are not made of one but many colours? In this experiment we blend art with science and make a batch of pretty flutterbies! Continue Homemade Universal Indicator Colourfully detect the pH of stuff with red cabbage juice! Different stuff around us (and in us!) tends to be acidic, neutral or basic. In this spectacular colour-changing experiment we test a few liquids for their pH. Continue Self-Inflating Balloons Balloons that can blow themselves up! With just a few household items you can save your breath with this experiment and make balloons inflate themselves! Continue Fizzing Witch's Brew Sparkly multicoloured foam flows everywhere with fascinating frothy fun! Did you know that by mixing the right things together you can make thousands of bubbles appear from seemingly nowhere? In this sparkly experiment we brew a pretend witch's potion!