You need a large container of some kind.
Add your beans.
Select some small toys and/or prizes that will motivate a reluctant kiddo to reach in for the sensory play.
I elected to make cards to encourage Jack to dig. I then labeled the cards with black marker and braille.
Since I had cookies in the "sensory tin", I waited until after lunch when the inevitable cookie request would be made. I explained that we were going to play a game to get his cookie.
I showed him the cards to show him what was buried.
Then I introduced the tin....
|Hmmmm....I am not impressed.|
|Got what I'm after!|