She might be old enough for finger knitting (google it, you'll find videos and written instructions). There are also knitting looms that are relatively easy to use; you'd probably have to get her started, but once they're set up she could make things like hats or scarves. Uses the same idea as finger knitting - lift a loop of yarn over a finger or a peg on the loom. Or braiding.
Also, sewing cards are easy to make. Cut out a shape from heavy-duty cardboard & punch holes along the edge. Or, if you have access to a laminator, laminate a pretty picture and then punch holes along the edge. You could look at some commercially produced ones for ideas. Or, heck, you could buy some
Learning to knit is a wonderful pre-reading and writing skill. It helps with hand-eye coordination, tracking from side to side, using the hands independently - all important for reading and writing. Waldorf actually teaches knitting before reading, at around age 7.