At Lime Street Street station, you can buy return Soccerbus tickets (£3.50/£1.50). Take first train from Lime Street Low Level station, get off at next stop, Central.
Change to Northern Line. Take first train north (to Southport, Ormskirk or Kirkby); get off at second stop Sandhills. Soccerbus runs from there to Goodison. Check the right bus stop for after the game.
It's an easy journey, just follow the blue and white scarves. You'll be amongst Everton fans and you'll hear all their chatter before and after the game.
There's entertainment, food and drink in the Fan Zone behind the Park End and at The Hub. Check the official Everton website for details of the day. Inside the ground, the teams warm up 30 minutes before kick-off, and the toffee-lady throws mints to the crowd.
Enjoy the whole day - don't rely on the football alone!