A group of friends plans to save their grandmother's garden from a meteorite that they believe is headed for it. They consider various ideas like building a slingshot, luring the meteorite with cheese, and creating a giant badminton racket to catch it. However, they eventually realize that the meteorite was just a dandelion feather, and their grandmother's garden is safe.
Sure, here are the key facts extracted from the text:
1. They plan to catch fish and have a fishing contest.
2. They encounter a lot of litter at the lake.
3. They decide to clean up the environment.
4. They organize a group of friends to help with the cleanup.
5. They separate biodegradable waste from non-biodegradable waste.
6. They bury the non-biodegradable trash.
7. They construct a dam to protect a hedgehog nest.
8. They find and retrieve a lost soccer ball.
9. They receive a toy robot named Chuck.
10. The toy robot causes some chaos.
11. They build a giant badminton racket to divert a meteorite.
12. They clean up the mess they made in the garden.
Please note that these facts are based on the provided text and do not include opinions or additional context.