Let's...
take a photo!
Let's ....
go swimming / swim.
Let's ...
read a book.
Let's...
play videogames.
Let's ...
make a sancastle!
Let's ...
catch a fish!
Let's...
ride a bike!
Let's...
play football.
Let's ...
run!!
Let's ...
look for shells!
Let's...
paint a picture.
Let's ....
eat ice cream!
Let's ...
listen to music!