Each book teaches not only motor functions, but also the alphabet, numbers, naming and basics of mathematics. They have been developed so that a child aged 3-6 years can develop faster through play. Additionally, he learns English in a very easy and pleasant way for himself. Reusable The notebooks have three-dimensional grooves so that the child learns to write correctly. The pen holder helps to train your pen's ability to hold the pen, so your child will no longer get their hands dirty with ink. The set also includes a pen with disappearing ink, making the books reusable. Wide application Each notebook has a lot of pictures so that the child learns the names of animals, body parts and fruits. They are designed and made from high-quality materials that are safe for your child and the environment. Learning has never been so easy! The set includes: 4 notebooks pen with disappearing ink 5 pen refills with special ink Set in English so that your child will also learn the language through play. Book dimensions - 13 x 19 cm Reusable books!