1. Find a silk tie--the plainer the better. I got mine at Goodwill for $2.
2. Get out your puffy paints! If you don't own any, consider buying colors that compliment each other (blues and oranges, reds and greens, purples and yellows).
3. Use a paintbrush (or fingers) to spread the puffy paint. Multiple thin layers work best. Go crazy--you'll only get to paint this tie once.*
*Note: if young children (or particularly messy adults) are painting, lay out a drop cloth. Puffy paint gets messy and is hard to remove. I learned this the hard way.