Cleaner Science handcrafts soap inside petri dishes! My favorite is the E. Coli Transformation (pearberry) that glows in the dark! They're $9.50 each in the Boing Boing Bazaar! Petri Dish Soaps
Cleaner Science handcrafts soap inside petri dishes! My favorite is the E. Coli Transformation (pearberry) that glows in the dark! They're $9.50 each in the Boing Boing Bazaar! Petri Dish Soaps