Some of the homemade materials and toys we've recently made have been dictated by the kind of activities M is interested in but there were some that are either timeless, see discovery bottles, or planned for the near future.
This sensory bottles are merely bottles filled with water and (red / golden) glitter. Easy, cheap, and very nice. M likes them a lot.
Having dressing skills in mind, I have designed a sun with detachable rays. M is not ready to button her clothes yet but she is always willing to help me dress her so I feel it won't be too long before she starts noticing buttons, hooks, zips, and so on. This activity is intended as a motivation. For the ball I used a knitted ball (thanks, mum, for helping me with that). The rays are made with felt. The buttons were removed from an old jacket before trashing it.