How to make new candles from old ones

Collect old spent candles

Secure some string to some kind of base

Secure the base

Secure the other side of the wick so it stays straight

Apply flame to old wax and let it pour into the cardboard roll mold

Remove the old wick base, be careful it may be hot

Fill up the mold as much as you want

Refrigerate for 20 minutes

Peel off cardboard

Find a container