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Vector Gem Collector
Age 14 to 18
Challenge Level 
To add a new vector, click on the green + sign.
Then click on the vector to edit it.
You can click on the + and - signs to increase or decrease the two components of the vector - see the screenshot below:
Once you have chosen all your vectors, click on "Close" and then click "Get a score" to find out how many gems you have collected!
Don't forget that your final vector needs to take you back home.
Then click on the vector to edit it.
You can click on the + and - signs to increase or decrease the two components of the vector - see the screenshot below:
Once you have chosen all your vectors, click on "Close" and then click "Get a score" to find out how many gems you have collected!
Don't forget that your final vector needs to take you back home.
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