37 known values for glider with current usage counts:

1. default (22663× used)
2. purple (21786× used)
3. yellow (7473× used)
4. pumpkin (4903× used)
5. umbrella (3558× used)
6. bat_wings (1070× used)
7. cat_ears (853× used)
8. festive_drift (577× used)
9. bicolor (484× used)
10. plane (362× used)
11. bicolor2 (356× used)
12. jet (238× used)
13. leaf (215× used)
14. magic_carpet (176× used)
15. ufo (150× used)
16. jetpack (140× used)
17. santa_sleigh (137× used)
18. magic_cloud (123× used)
19. flower (102× used)
20. snow_glider (96× used)
21. coffin (85× used)
22. icy_umbrella (78× used)
23. surfboard (74× used)
24. pirate_sail (72× used)
25. carrot (62× used)
26. steampunk_wings (59× used)
27. black_wings (51× used)
28. kite (49× used)
29. lunar_lantern (47× used)
30. parachute (39× used)
31. gingerbread_wings (37× used)
32. bandit_glider (34× used)
33. rocket (31× used)
34. jurassic_wings (29× used)
35. heliclover (20× used)
36. festive_tree (19× used)
37. stinger (8× used)