Features: Made of high quality wood, 4mm thick, durable. Fillet design, no burr, safer. Double sided pattern cards help children combine various shapes and improve their interest in learning. It comes with magnetic stickers, which can be pasted on the building blocks and enable them adsorb on the whiteboard. Magnetic drawing board box, children can draw on it, give children unlimited creative and imagination space. It can help children understand color and recognize shape, and lay a good foundation for future learning.