For ages: 3+ Preschool cards with dry erase marker. Learn how to write numbers. A range of double-sided activity cards for drawing and erasing that feature stimulating and engaging tasks. Write-on wipe-off format ensures endless fun. Playing with the cards engages kids in graphomotor tasks and develops their fine motor skills. Graphomotor exercises train concentration, perseverance and the proper grip for writing. Develops logical thinking and visual memory. Great practice for skills that are essential to writing, reading and counting Product specifications 28 double-sided cards on a string binding/ 56 pages. Dry-erase marker. Guide for parents. Card size: 10×16cm/ 4×6”. Box: 12×18,5×4,5cm/ 4.5×7×1.5”.