If you've been following U Ready, Teddy? You know I love Tinker Trays! Tinker trays are also called Loose Parts tray and are typically found in a Reggio Emilia Learning environment. They are inexpensive, versatile and promote open-ended creativity. The Valentine's Day tinker tray we made was a huge hit, so I decided to make a green tinker tray for St. Patrick's Day! (If you want to be even more festive throw in some rainbow colors and gold coins!) Darling…