eeBoo- Solar System Sketchbook. Explore the farthest reaches of the universe with eeBoo's Solar System Sketchbook. •Fosters creativity, self-expression, and develops fine-motor skills •Age 3+ •11.5" x 8.5" 60-page Sketchbook •Encourages screen-free, self-directed, imaginative play •Sustainably Sourced: Made with recycled board and printed on FSC®-certified paper using vegetable-based inks