Here are some good ideas for Halloween decorations you can make with a five year old kid

1. Magic Potion Bottles

Take some glass (or plastic for safety) bottles and fill them with colored liquids also using a wine cork to seal the bottle can add to the theme of a magic potion bottle it is important that if glass bottles are used that your child not be left unsupervised as there is a potential for them to harm themselves if the glass breaks

Googly Eyes

Googly eyes, or wiggle eyes, are small plastic crafting items used to imitate eyeballs.You can add googly eyes to various things such as fruits or furniture to give them a sense of life which can be scary to humans which is line with the Halloween spirit (never intentionally scare humans) 

Cloth Ghosts

You can make ghost decorations by cutting cloth in the shape of ghosts
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