Each block has embedded magnets inside and is made of sustainable and durable hardwood to make building simple and fun. Includes 42 blocks in 9 shapes: 4 tall columns, 4 medium columns, 6 mega planks, 6 long planks, 6 short planks, 6 cubes, 2 parallelograms, 4 short angles and 4 wheels. Ages 1 yr.