A sinkable fun toy includes a floater body and a counter weight member. The floater
body includes a receiving portion, which has a receiving opening and a stand portion,
which has at least one leg for supporting the receiving portion. The counter weight
member is received in the receiving opening of the receiving portion. The first
and second engaging portions are formed between the receiving portion and the counter
weight member and being engaged with each other. After assembled, the floater body
and counter weight member being sinkable, sink in water, the receiving portion
is kept a desired height from the ground of water by the stand portion. Wherein
the first engaging portion and the second engaging portion are disengaged through
pressing the counter weight member, the floater body floats on the water but the
counter weight member remains in water.