Cracker Jack Mac Lenticular Disks  This set is of Mark McGwire, 1999.  There are 15   different disks, 3 of them spinners.

Cracker Jack Pokemon Interlocking Gears These two piece interlocking grears appeared in March 2001.  25 different have been found.  There are possibly 27.

Cracker Jack  Spider-Man Lenticular Pogs  These are a series of 5 pogs, found in packets of original Cracker Jack & Butter Toffee Clusters in Dec 1999.

Looney Tunes  Lenticular Pogs              Spiderman appears on 3 of the disks, the 4th is of Granny/Sylvester, the 5th of Taz, the Tasmanian Devil.