How about...?
go swimming
How about we go swimming?
beach towels
What are beach towels used for?
days left until school is out
How many days are left until school is out?
go to the beach
How about we go to the beach?
What is a swimming pool used for?
sandals you own
How many sandals do you have?
eat ice cream
How about we eat ice cream?
bicycles
What are bicycles used for?
seashells in a jar
How many seashells are in the jar?