This is a wonderful busy bag that my little girl loves too do. A great addition to a busy bag collection or just a quick activity for fine motor skills. This printable activity features colors, shapes and counting!
DIY Montessori Fine Motor Activities from Racheous. Also has a lot of great toddler ideas, just no great way to search for things so your only option is scrolling through each page. If ever need inspiration and have a lot of time, good place to look.