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Do you have a geeky friend whom you would like to wish a happy day? Say it with a card that speaks their language! This greeting card reads "Have a Great Day" on the front along with a 2D yellow ball and stick model of serotonin - the happiness hormone! On the inside, there is a text book definition (complete with pronunciation in the International Phonetic Alphabet) of serotonin (in black) along with blank space to leave your own personal message. Plain white envelope included.

Card measures 5.5" x 8.5" folded
Comes with plain white envelope (slightly bigger than card - size A9)
Printed on matte white card stock
Front = yellow ink
Inside = black ink
Back = colored ink
Optional: The card can come enclosed in a clear poly sleeve - leave message "POLY" in "Notes to Seller" if you want it so.

Serotonin - Have a Great Day - Chemistry Nerd Greeting Card - Yellow


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  • Handmade item
  • Materials: card stock, ink, a9 envelope
  • Ships worldwide from United States
  • Feedback: 663 reviews
  • Favorited by: 204 people

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