At bathtime introduce your baby to the three friendly fish and their little worm friend.
Submerge the fish and show your toddler how they blow bubbles underwater.
Show your toddler how to hold the fishing line to try to catch a fish with the worm, then reel it in.
Introduce language such as ‘float’, ‘sink’, ‘ catch’, ‘underwater’.
Introduce basic counting skills by counting the fish together.