Visible crew/equipment: When the kids are making their volcano, for a split second, a crew member's hand is visible placing the balloon in place. (00:34:07)
Visible crew/equipment: After Holly comes over with the CDs, sour cream, and bubble machine, Jenny then shuts the front door. When Jenny walks toward the camera, just as this shot begins to transition into the next shot, we can see the green T-mark taped to the floor, and a bit of the red T-mark as well, where the two girls stood a moment before. (00:38:20)
Answer: Epoxy resin is sometimes sold in two seperate tubes. You have to mix the contents of both for the epoxy to harden into plastic. It also shows how weird he is, as epoxy tends to smell pretty foul.
Grumpy Scot