• Durable design and safe materials: Our building blocks are made of high-quality ABS plastic and safe magnetic materials. The burr-free surface and groove design are safe to touch and easy to grip. • Safe toys for entertainment: The natural permanent magnets and circular edges of all pieces ensure children's safety while playing. The dimensions are carefully designed to prevent accidental swallowing. • Strong magnetism and easy to play: Equipped with strong magnets, this STEM structural toy is easy to connect and disconnect, allowing children to assemble each piece with ease. It includes different shapes and colors for varied and creative play. • Educational construction toys: The colorful building blocks allow for the construction of birds, robots, trees, and cars. These puzzle toys help children learn to combine various geometries and develop an understanding of color and shape, fostering their curiosity. • Good gifts for children: This magnetic architecture set is an excellent gift choice for children over 3 years old on birthdays, Children's Day, Christmas, etc. Parents can also enjoy happy parent-child time. • Product dimensions: 20 cm wide, 11 cm high, and 25 cm long.