I like to used dried beans as manipulatives for multiplication and division because they're a nice size for arranging into groups. I noticed one of my learners was benefiting more from the simple act of counting the beans in different ways than relating the grouping to multiplication so I came up with this game to provide a fun context for that activity.
Learners grab some beans out of a tub, guess how many they have, count them (ideally in a couple different ways) and then figure out how close their guess was. So they get to practice estimation, counting by grouping and finding differences.
Watch out, though, the first time we played this we ended up counting a table full of 700+ beans! :)
Here are links to the google documents I made if you'd like to use them: