Pen Control Training Kindergarten Children Erasable Pen Control Practice Concentration Card 20ml Features: 【Scribble Smart Workbook】Promote learning, combine fun with learning, and change learning attitude. 【Scribble Smart Workbook】Level 1 improves fine hand movement control and hand-eye coordination by drawing straight lines and curves. 【Scribble Smart Workbook】Level 2 uses the connections between points to construct various graphics, create a sense of space, and stimulate logical thinking abilities. 【Scribble Smart Workbook】Level 3 connects lines in numerical order and draws patterns, trains observation and concentration, and lays the foundation for painting. 【Scribble Smart Workbook】Level 4 trains hand control and hand-brain coordination by drawing complex curves to improve concentration. Product Description: A set of exercise books Promotes early childhood education through engaging activities Reusable workbook designed for toddlers to enhance learning Encourages fine motor skills development and hand-eye coordination Features various levels to progressively challenge young learners Stimulates logical thinking and observation skills through structured exercises