Is there a tool to make a point on a dowel?

What you may be looking for is the wood carving tool. You can find them in the hardware stores. They have different functions as to the size of the tool to use so look them over to get the one you need. Please be careful when using them as they are sharp and can cause damage to you or the dowels. Find something to practice on before using it on the dowels. Have fun as if you get good at it you can used it on larger items and start a business for yourself.