Every child can fill in the fields on the back and self-check using the front. Here, the number range up to 100 can be practiced repeatedly. Practical and sturdy, it is ideal for daily use in the classroom. It can be wiped dry without smudging and without leaving color residues. Card size: 32.5 x 25 cm (front and back) with a special pen - Made in Germany. Also available as a combo: "My Hundred Field" and "The Little Times Table" with pen.