Kids love to play dress up. As you can see even Casper. So dressing up does not need to be scary.
Everyone is busy and sometimes you need a last-minute costume. If your child wants to be a ghost They can still wear the white sheet and all you need to do is sew a round yellow patch in front. They are fried egg.
A scare crow is simple as well. All you need is a huge plaid shirt, a floppy hat and gold felt strips cut out for straw sewn along the cuffs and neck. Keep it simple.
One year I had a great idea for my daughter her favorite colour was purple. So I had a large thick purple sweater for her to wear. I blew up purple balloons (kept them small and soft) I attached them to her sweater and it looked great. She was a bunch of grapes but she refused to wear it. She was only two so we had to improvise and put the grapes in a clear garbage bag and she carried them around with her over her shoulder.