Features: bookshelf, storage box combo, pyramid side panel, stable anti-rollover, 4 steps, large capacity, seamless stitching without missing books, widening interval, up to 120 books Bookshelf size (length x width x height): 80X42.3X90CM; 1 inch = 2.45 cm; perfect height for baby height, age: 8 months - 12 years old Material: Plastic (environmental protection, good impact resistance, light weight, no odor, no formaldehyde); whether it is assembled: yes Function: Improve organizational and reading skills, enough to display books through the cover or back cover, so that children can easily find the books they like.