This is a card game played like rummy except the deck has 40 cards--8 "suits" of 5. Players try to play 2 pairs of different suits, 3, 4 or 5 of the same suit. Players can play cards on opponent's sets. There is an Identification Chart showing all the information needed in the game.
There are n=many nature study and science games in my TPT store -- Word Search, Crosswords,Anagrams, Bingo, Rummy, Concentration, Sort, Tic Tac Know, Dominoes and Board Games.