Curvy suction-cup building pieces are pleasantly pliable, so push them together to build wiggly, wobbly creations – then pull them apart to hear "POP!" 100% food grade silicone, BPA and latex-free, they'll stick to any smooth surface, especially the bathtub.
For ages 3-7 yrs, from Fat Brain Toys.
WARNING: CHOKING HAZARD - Small parts. Not for children under 3 years.