Building block toys are the best early education toys for training children's intelligence. It offers more opportunities to use their imagination and creativity. Children need to observe and think about what they want to build before they set up. Therefore, it is a good exercise for children's imagination, structural thinking, and styling ability. It can develop children's spatial awareness, creativity, help children learn to draw conclusions through reasoning, including mathematical, logical reasoning, scientific analysis and other forms of thinking. These 100pcs bright-colored blocks are made of wood, each block is 0.78”x0.78”x0.78”.It’s really a perfect gift for your kids. Each comes with a canvas bag. Logo is imprinted on the bag.