OIL-SPILL CLEAN-UP What a wonderfully hands on way to explore the issue of oil spills with little ones! For our Sunday PlayTRAY showcase this week we’re sharing this great idea from @spire.kids. What you need: Water coloured with food colouring Oil (Sesame oil works well as it shows up) Dish soap Spoon Cotton swab Miniature ocean animals tray The the three methods explored here were absorption (using cotton swabs), skimming (using a spoon) and dispersion (using dish soap). You can also use dish