Image Item No. Description By  74188c01  Magnet Brick, Modified 2 x 4 Sealed Base with Extension Plate with 2 Studs and Hole Catalog: Parts: Magnet 40  73092  Magnet Cylindrical Catalog: Parts: Magnet 8  2607  Magnet Holder 2 x 3 with Clips and Pin Hole Catalog: Parts: Magnet 2  30159  Magnet Holder Plate 2 x 2 Bottom with Hole Catalog: Parts: Magnet 2219  2609a  Magnet Holder Tile 2 x 2 - Short Arms Catalog: Parts: Magnet 1  2609b  Magnet Holder Tile 2 x 2 - Tall Arms with Deep Notch Catalog: Parts: Magnet 6