Scribble Smart Workbook, Scribble Smart Reusable Workbook, Erasable Concentration Pen Control Training Book Pen Control Training Kindergarten Children Erasable Pen Control Practice Concentration Card 20ml Features: This practice book can provide a good for children's initiation and growth, improve their thinking skills and enhance their independent thinking through drawing. Simplify; simplify the basic compositional elements of numbers, words and shapes, deconstruct them into lines, and then practice line drawing with a paintbrush, laying a good for future writing and drawing Four themes: multi-dimensional content to stimulate interest and potential Attention to detail: we have done a lot of protective measures, the corners of the cards are made into rounded corners, which will not hurt your hands. Convenient: we also use a card ring design, easy to organize the cards to loss. Product Description: A set of exercise books This practice book supports children's initiation and growth, improving their thinking skills and enhancing independent thinking through drawing Simplifies the basic compositional elements of numbers, words, and shapes, deconstructing them into lines for practice with a paintbrush, laying a strong foundation for future writing and drawing Features four themes with multidimensional content to stimulate interest and potential Attention to detail with protective measures; corners of the cards are rounded to prevent injury Convenient card ring design for easy organization and to prevent loss of cards