This is a combination kit of Memory Game and Powers of Ten Game

http://www.nisenet.org/catalog/programs/exploring_size_-_powers_ten_game_nanodays_2011_2012_2014

Exploring Size - Powers of Ten is a card game exploring the relative sizes of various objects. Visitors compete to organize their hand of cards into lists of objects from largest to smallest.

http://www.nisenet.org/catalog/exploring-size-memory-game

Exploring Size - Memory Game is a card game exploring the different size scales - macro, micro and nano - objects within these different scales and the way these objects are measured. Visitors compete to find matching pairs of cards.