What are some invention ideas that haven't been invented yet that are easy to make?

Like, I need to make an invention for school in like 1 day and I NEED a easy idea that I can make. Its an invention convention. For example, sponge gl

Like, I need to make an invention for school in like 1 day and I NEED a easy idea that I can make. It's an invention convention. For example, sponge gloves, spill-proof stuff, beauty stuff, food, ANYTHING! Please give a list.

or:Like, I need to make an invention for school in like 1 day and I NEED a easy idea that I can make. It's an invention convention. For example, sponge gloves, spill-proof stuff, beauty stuff, food, ANYTHING! Please give a list.

or:I know this is kinda late, so don't say this is kinda late. How about Giant rubber duckie gloves for the bath or pool? You can cut a hole in them, wear them, and play with them.

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