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An example embodiment of an apparatus includes a housing with an opening at a first end and a plurality of holes at a second end, a plurality of hollow tubes attached to the plurality of holes, a plurality of containers removably attached to the hollow tubes, and a plurality of elastic fasteners, ea

An example embodiment of an apparatus includes a housing with an opening at a first end and a plurality of holes at a second end, a plurality of hollow tubes attached to the plurality of holes, a plurality of containers removably attached to the hollow tubes, and a plurality of elastic fasteners, each elastic fastener clamping each container to a corresponding hollow tube, such that when the containers are filled with fluid and detached from the corresponding hollow tubes, each elastic fastener seals each container with the fluid inside.

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1. 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 flexible hollow tubes, each hollow tube attached to the housing at a respective one of the holes at the second end of the

1. 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 flexible 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; anda plurality of elastic fasteners, each elastic fastener clamping a respective one of the plurality of containers to a corresponding hollow tube, and each elastic fastener configured to provide a connecting force that is not less than a weight of one of the containers when substantially filled with water, and to automatically seal its respective one of the plurality of containers upon detaching the container from its corresponding hollow tube, such that shaking the hollow tubes in a state in which the containers are substantially filled with water overcomes the connecting force and causes the containers to detach from the hollow tubes thereby causing the elastic fasteners to automatically seal the containers,wherein the apparatus is configured to fill the containers substantially simultaneously with a fluid. 2. The apparatus of claim 1, wherein the first end of the housing has an outermost perimeter that is smaller in length than an outermost perimeter of second end. 3. The apparatus of claim 1, wherein the opening at the first end of the housing has a threaded inner surface. 4. The apparatus of claim 1, wherein each container comprises an expandable balloon portion. 5. The apparatus of claim 1, wherein each container comprises a rigid portion and a flexible portion, the flexible portion disposed between the clamp and the respective one of the plurality of tubes. 6. The apparatus of claim 1, wherein each container comprises a volumetric measurement marking providing a visual reference for filling the container to a desired volume. 7. The apparatus of claim 1, wherein the clamp is disposed outwardly from the container and clamps an inner surface of the container against an outer surface of the respective one of the plurality of tubes. 8. The apparatus of claim 1, wherein the fluid comprises one or more of water, air and helium. 9. The apparatus of claim 1, wherein each clamp comprises an O-ring configured to automatically seal the container in response to a force applied to the container in a direction away from the housing. 10. The apparatus of claim 1, wherein the plurality of tubes comprise a first set of tubes each having a first length, and a second set of tubes each having a second length longer than the first length. 11. The apparatus of claim 1, wherein the housing is attached to a valve coupled to a fluid source, wherein the valve is configured to control delivery of the fluid to fill the plurality of containers. 12. The apparatus of claim 11, wherein the valve includes a lever that can be turned to a first position to turn on the valve and allow fluid flow to the housing, wherein the lever can be turned to a second position to turn off the value and stop fluid flow to the housing. 13. The apparatus of claim 11, wherein one end of the valve is connected to a hose attached to a water supply, and the other end is threaded to the housing. 14. The apparatus of claim 1, wherein each hole at the second end of the housing extends through an outer surface of the housing, the outer surface opposing the opening at the first end of the housing.