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
Materials: KNUFF Magazine file set I have found this idea on one czech website, Napadyproanicku. You need three pieces of Knuff magazine files, wooden blocks, hot glue gun. Magazine files and block (Diy Furniture Redo)
Garage ball bin - love this design with hooks for helmets and small bins for smaller balls. Use bungee cords in the middle so you can take out balls at the bottom without digging! Plus lots of other garage storage ideas.