geo board simple DIY homemade fine motor math toy (n.
Kaufladenzubehör made by Mama Mehr
Make a baby "guitar" out of a loaf pan and rubber bands (from House of Burke: ROCK-a-bye: Exploring the Guitar with Baby)
Intended as a sensory table, make it a bit taller for a portable potting bench!
DIY Water/Sand/Dirt Table for Toddlers and Preschoolers: Made from Recycled Materials