Sprocket, Ø40,7 in white only comes in 1 set:

42065-1: RC Tracked Racer

Plate 16X16 and Plate 6X6 W. Bow in cool yellow only come together in 1 set:

41035-1: Heartlake Juice Bar

Sprocket, Ø40,7 in white only comes in 1 set:

42065-1: RC Tracked Racer

Plate 16X16 and Plate 6X6 W. Bow in cool yellow only come together in 1 set:

41035-1: Heartlake Juice Bar

Thanks to Zovits for identifying Chain Wheel, Ø25,8, Dec. as this part only comes in 1 set together with 4528407: Sprocket, Ø40,7 in bright orange:

8996-1: Skopio XV-1

Propeller Ø71.84 in Reddish Brown also only comes in 1 set:

7260-1: Wookiee Catamaran

Sprocket, Ø40,7 in white only comes in 1 set:

42065-1: RC Tracked Racer

Sprocket, Ø40,7 in white only comes in 1 set:

42065-1: RC Tracked Racer

Plate 16X16 and Plate 6X6 W. Bow in cool yellow only come together in 1 set:

41035-1: Heartlake Juice Bar