38 known values for glider with current usage counts:

1. default (23121× used)
2. purple (22081× used)
3. yellow (7554× used)
4. pumpkin (4915× used)
5. umbrella (4168× used)
6. bat_wings (1084× used)
7. cat_ears (905× used)
8. bicolor (800× used)
9. festive_drift (572× used)
10. plane (412× used)
11. bicolor2 (363× used)
12. jet (260× used)
13. magic_carpet (236× used)
14. leaf (215× used)
15. ufo (193× used)
16. jetpack (142× used)
17. santa_sleigh (138× used)
18. magic_cloud (124× used)
19. flower (114× used)
20. snow_glider (100× used)
21. coffin (90× used)
22. icy_umbrella (86× used)
23. pirate_sail (80× used)
24. steampunk_wings (75× used)
25. surfboard (75× used)
26. kite (66× used)
27. carrot (61× used)
28. black_wings (55× used)
29. parachute (48× used)
30. lunar_lantern (44× used)
31. bandit_glider (37× used)
32. gingerbread_wings (33× used)
33. jurassic_wings (32× used)
34. rocket (31× used)
35. black_and_white (19× used)
36. festive_tree (18× used)
37. heliclover (17× used)
38. stinger (12× used)