https://mathsframe.co.uk/en/resources/resource/115/sorting_3d_shapes_on_a_venn_diagram#

https://www.topmarks.co.uk/Flash.aspx?a=activity20

http://www.math-play.com/3d-shapes-game/3d-shapes-concentration_html5.html

https://www.bbc.com/bitesize/articles/zgqpk2p