When Jesse first confronts Michelle about the cookies, her hands are about an inch apart. In the next shot, they are spread much further.
When Jesse hands Danny the pickle jar, Danny holds it upright. In the next shot, he holds it sideways.
Michelle looks in the Dr. Seuss ABC book and says the page with the letter A has an apple. The actual book has "Aunt Annie's alligator," but no apple is on that page.