Diy one color pallet. Upcycled Toy Wall Peg Rack with Rainbow Dinosaur by fbstudiovt Susie's note to self: How about train fronts on a strip of rail road track and maybe a train crossing X on the ends?
Had when i worked in a preschool and kids love them! I would use colored sand instead of white salt. DIY salt tray with alphabet cards. Easy to make and kids have fun smoothing out the salt after correctly making the letter