650 piece Marble Run, Magnetic Tiles, and Brick Building Block Combo Toy (SKU: PB650) inspires kids to construct dynamic mazes, enriched with diverse components, to bring their creations to vibrant life. It features 500 interlocking brick elements, 43 magnet tiles, 79 marble run units, 4 marbles, 8 doors, 8 windows, 2 character action figures with 5 accessories, and a free storage box. With so many parts, pretend play has never been this engaging and fun!