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 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.