The vibrating power ball at the base vibrates at 6 different speeds while the soft jelly glitter balls are covered in pleasure nubs.
This powerful heart-shaped clitoral stimulator has textured tickling nubs on one side for extra sensations.
One of the things you need to consider before purchasing flannel sheets is the whether or not the fabric will eventually have pilings, nubs of material that from small balls or pills along the nap surface.
This cover is only available in blue, but what makes it different is that there are shapes of feet on either side of the middle that are represented by small little nubs.
A pseudo sandbox made from plastic nubs is the Dig Pit.