A unique Japanese DIY Candy Kit that lets you make your own bubbly, foamy Jelly snack! HanaKappa is a Japanese Kappa (River Creature) with a flower growing on his headInside the pack you will find a limited edition plastic cup, powder and spoon. To make, empty the sachet into the cup and fill with water to the red line. Then start stirring and watch the liquid get bigger and bigger. Put in the fridge for 10 minutes before eating.