Magnetic Mainframe:
Occluder and Red/Green clip magnetically attaches for each placement and removal
Traslucent occluder is default choice, but you can also choose opaque or red
Red/Green Bar Reader
Brock String with luster disks and beads (glow in the dark)
Marsden Ball with Pull-Proof Disk
Pointer and multi-level straw
Transparent
Fusion Cards, Life-Saver, Eccentric Circles, Bulls-Eye, and Small Hart Chart
2 Versions of the Hart Chart, Arrow Chart, Shape Chart, R/G Column and Random Hart Chart
Red Marker