Glass Flask

An erlenmeyer flask corked with a liquid with bubbles inside. 

Potion With Bubbles

A desk with an open laptop, books and a chemistry flask.

An Erlenmeyer flask containing a liquid substance. 

An Erlenmeyer flask containing liquid, with two sparkles around it.

Two empty flasks, a beaker and an erlenmeyer or conical flask.

A chemistry flask with smoke coming out of it.

A silhouette of triangle bottomed Erlenmeyer shaped scientific flask or beaker.

Two different chemistry flasks on a tabletop.

A stack of four books with an Erlenmeyer flask on top.