Image Item No. Description By  44715  Duplo Counterweight 3 x 3 x 2 Round with Notched Rim, Off-Center Swirl, and Stud Catalog: Parts: DUPLO 10  44698pb01  Duplo Stand 2 x 4 x 2 with Notch for Lever and Copper Gears Pattern Catalog: Parts: DUPLO 16  48647  Duplo Treasure 2 x 3 x 2 Catalog: Parts: DUPLO 24