💥🩵 EXPLODING HEARTS 🩷💥 Great one to do around Valentines Day. Add some milk to a tray. We used our activity tray which worked very well. Take some cotton pads, cut them down into a heart shape and add water colour liquid to them - markers, dabbers or food colouring. We used food colouring but you can also use watercolour pens/dabbers. Just remember the more colour added to the pad, the more effective your explosions will be. ✨Once the pad is filled with colour, add washing up liquid.Your fin