This little article will teach you a fast, cheap way to make some.
Here is what you will need:
A sack of "Topping Mix" this is a concrete mix that has finer than normal sand and no aggregates. It is for repairs and topping.
Make a bed of sand to hold the mold. This should be about 3 or 4 inches of damp sand. Pick up a fistful and squeeze it. If the sand holds its shape it is just right.
On the way back from the building supply stop at your local Dollar store and get a couple of balls. You should look for ones that have a thick skin. These are your molds, so you want them to be able to maintain the round shape when they are full of concrete.
Cut a hole about 3 inches diameter in the ball. Swirl a little oil around inside until it is all coated. Set the ball upside-down for 5 or 10 minutes to drain any excess oil.
Set the ball in your sand box, pack the sand around it so it is well supported.
Mix your concrete. Make it about as thick as cake mix. You must be able to POUR this. Just like you pour pancake mix onto a griddle.
Fill the ball. Pour the concrete in as smoothly as you can, you don't want to get any air in the form. After it is full you can gently tap the sides with a small hammer. This will help any air move to the top. Don't over do it with the tapping, you can make the concrete settle to much and weaken it.
After it has set for at least 48 hours you can cut away the plastic mold and place the concrete ball in a plastic bag. Let it cure the shade for a week or so then bring it out and paint it or whatever it is you feel inclined to do with a heavy round thing.
One tip - don't make a big one first try, you will want to start with one about 10 or 12 inches diameter to make sure your mix is right.
Have fun and don't drop the ball!
www.delsmolds.com www.yukon5.com
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