Here's a fun rainbow stacking activity you can make for your kids, and the colours are perfect for St. Patrick's Day or for Spring! It's a quick and easy project for your older kids to make, and your toddlers and preschoolers will love playing with it. They'll learn colour order and size order, and they're balancing skills will be challenged as they try to build the perfect rainbow-coloured tower without tipping it over. Isn't it pretty?! Click the link below to check it out!