Follow our crystal clear walkthrough and helpful tricks to get you through the rough spots!

Solution for the yellow spiders: Move spider 2 to A; 3 to B; 1 back to 1.

Solution for the blue spiders: Move spider 2 to A.

Take the RECIPE HALF (D).

Put down the RECIPE HALF (E); pour the SODA into the test tube (F).

Shut the test tube (G); take the GLOW STICK (H).

Throw the GLOW STICK down the drain (I).

Go down the drain.