An apparatus comprising: a housing comprising an opening at a first end and a plurality of holes extending through a common face of the housing at a second end; a plurality of hollow tubes, each hollow tube attached to the housing at a respective one of the holes at the second end of the housing; a plurality of containers, each container removably attached to a respective one of the hollow tubes; and a plurality of elastic fasteners, each elastic fastener clamping a respective one of the plurality of containers to a respective tube, and each elastic fastener configured to restrict detachment of its respective container from its respective tube and to automatically seal its respective container upon detachment of the container from its respective tube, the restriction of each elastic fastener being sufficiently limited to permit its respective container to detach from its respective tube upon one or more of (1) at least partially filling the container with a fluid and (2) shaking the housing; wherein the apparatus is configured to fill the containers substantially simultaneously with the fluid. view more

An apparatus comprising: a housing comprising an inlet and a plurality of outlets; a plurality of hollow tubes, each hollow tube attached to the housing at a respective one of the outlets; a plurality of containers, each container removably attached to a respective one of the hollow tubes; and a plurality of elastic fasteners, each elastic fastener clamping a respective one of the plurality of containers to a respective tube, and each elastic fastener configured to restrict detachment of its respective container from its respective tube and to automatically seal its respective container upon detachment of the container from its respective tube, the restriction of each elastic fastener being sufficiently limited to permit its respective container to detach from its respective tube upon one or more of (1) at least partially filling the container with fluid and (2) shaking the housing; wherein the apparatus is configured to fill the containers substantially simultaneously with fluid; and wherein at least first and second ones of the plurality of containers are disposed sufficiently close to each other such that they press against each other, regardless whether the first and second ones of the plurality of containers are in a filled state or an unfilled state. view more

The apparatus of claim 1, wherein the apparatus is sufficiently compact to be operated while being held by hand of a single operator.

The apparatus of claim 1, wherein each container is a water balloon.