Item Type: Marble Ball Building BlockMaterial: Plastic .wang-edit-text{ font-family:'Arial' important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1Happy Playing: Allows for flexible building, the building block enables more fun in creating and setting free the children's imagination. 2Fun for Study: When knocking together all the 344pcs pieces, the marble ball block will better facilitate the study and thinking ability. 3Easy Learning: Combining pretty color with grooved design, the track block will develop kids' coordination, observation capacity and more. 4Safe Material: Adopting premium plastic material that has been through exquisite workmanship, this building brick is very durable for long using. 5Ideal Present: You can give the learning building block as a perfect present for Christmas, birthday, anniversary, Thanksgiving and so on.