This is an old favorite of mine, and I think you'll love it too.
Three levels of play:
Level 1: quarter notes, eighth note pairs, and quarter rests
(ta, ti-ti, rest)
Level 2: quarter notes, eighth notes, and sixteenth notes
(ta, ti-ti, tika-tika)
Level 3: quarters, eighths, sixteenths and combinations
(ta, ti-ti, tika-tika, ti-tika, tika-ti)
Students work with partners to guess rhythms using these cards and a clothespin. Teachers may also choose to dictate a rhythm from the card, and then have students clip it and show their answers.