25lb block for $3 is sufficient.
Towel optional.Invite friends.
Find big grassy hill.
Sit on block of ice.
Again, towel optional.
Slide down hill.
Sometimes you need a little push.
Sometimes you don't.
Good to take Youth Leaders---
(someone has to buy the ice & drive.)
Pushing, as opposed to carrying, the ice back up the hill, is recommended.
Then go again!
Sliding down on your stomach, although totally cool, may result in a wipe out.
No fighting over ice!
Going @ night is not required, but it will feel like A LOT more fun!
You will get wet.