Double-sided card with pen "I practice irregular verbs". Tenses: base form, present, simple past, perfect, future 1. Each child can fill in the tenses on the back and self-check using the front side. Practical and sturdy, ideal for daily use in the classroom or at home. Easily wipeable without smudging and without color residue. Double card: 32.5 x 25 cm (when folded) with special pen. Made in Germany. Also available in the series: I practice irregular verbs - tenses in English.