Take Aim! I would stick or write the numbers on a wall and then use a wet sponge to throw at the numbers.
20 idées à partir de nouilles en mousse pour piscine
deep blue sea bin - easy to set up; the kids play with this for hours at a time
Baby and toddler safe sensory play for summer - I love how easy this is to set up!
Pool Noodle Abacus - A backyard tight rope doubles as an "abacus" for toddlers.
Activities for 1 year olds
David Hockney - form of water This piece conveys the movement and texture of rippling water very simplistically.
There are only two ways to live your life.: Water Play for Toddlers
Set up a sponge relay - using your feet! from Babble
Summer Olympics Games for Kids and Kindergarten Lesson Plan