The Rock Collector

My container is called rock collector. It's a container that holds rocks.There are 3 sections so it can hold 3 types rocks.It has 3 holes to put the 3 types of rocks.The holes expand.You can put lots of rocks in it. It has a handle so you can hold it while walking on a planet.To get the rocks out of a certain section you need to press the section's hole. Astronauts will use this tool to collect rocks.

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