Alice from the Royal School did a sketch of the images she'd pictured in her head. Here are the two she sent us:
Well done, Alice. I wonder if you can say which colour cube is hidden in each case?
A group of pupils from Lillington Primary School also sent us images of what they imagined the first building to look like:
This is from Abbie:
This is from Chelsea:
Here is Kyle's picture:
And finally, from someone else, who's name I couldn't make out, unfortunately: