The post box egg designed by artist Benjamin shine was also among the three eggs to be stolen.
It was recovered in February.
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The 17-year-old pushed her to the ground and smashed her head against the pavement, before grabbing at her chest.
When the devastated owner arrived he saw his treasured car crushed beneath the tree and quickly realised it was no joke.
The suspect ended up flat on his back after trying to crawl through a hole in the ceiling at a hospital in east London.