requirements:
2 sticky pistons, 1 lever, 3 red stone and a lot of dirt

method:

1. collect resources
2. destroy 2 blocks height and 3 blocks wide
3. place 2 sticky pistons on top of each other at the end
4. behind the pistons create a dirt wall of 2 blocks each height 1
5. connect red stone to it
6. connect red stone to the lever
7. remember where what is
8. cover with dirt
9. make it look like stairs
10. wait some time for the grass to grow

if you like this, please give me a diamond