These 12cm verb wheels are the 'must have' for all German language learners. The front of the wheel contains irregular verbs from A to L and the rear contains M to Z. To use the wheel, turn it until the arrow points to the infinitive you wish to learn, then through the slots you will see the Praesens, Imperativ, Futur 1, Konditional, Perfekt, Praeteritum and Konjunktiv II of that verb.
The Wheels are $9.95 each or $8.95 each for 10-19 or $7.95 for 20+.