In 2015, LEGO released 30 Mixels sets across 3 subthemes, all of these sets have been retired. Subthemes for that year included Series 4, Series 5, and Series 6. For that year, the total price of all retail sets cost $585, today those sets are valued around $1,851, a growth of 217%.
Most valuable 2015 LEGO Mixels set
Mixels Series 4 Sealed Box $522.61
Highest growth 2015 Mixels set
41551 Snax +581.36%
Largest 2015 LEGO Mixels set
Mixels Series 6 Sealed Box 566 pieces
Most owned 2015 Mixels set
41527 Rokit
30 sets

41527 Rokit

Theme / Subtheme Mixels / Series 4
Year 2015
Pieces 66
Availability Retired
41527 LEGO Mixels Rokit
Retail $4.99
Value $17.53
Growth  +251.3%
Annual growth 9.1%

41528 Niksput

Theme / Subtheme Mixels / Series 4
Year 2015
Pieces 62
Availability Retired
41528 LEGO Mixels Niksput
Retail $4.99
Value $16.11
Growth  +222.8%
Annual growth 7.4%

41529 Nurp-Naut

Theme / Subtheme Mixels / Series 4
Year 2015
Pieces 52
Availability Retired
41529 LEGO Mixels Nurp-Naut
Retail $4.99
Value $19.54
Growth  +291.6%
Annual growth 9.2%

41530 Meltus

Theme / Subtheme Mixels / Series 4
Year 2015
Pieces 66
Availability Retired
41530 LEGO Mixels Meltus
Retail $4.99
Value $20.93
Growth  +319.4%
Annual growth 8.3%

41531 Flamzer

Theme / Subtheme Mixels / Series 4
Year 2015
Pieces 60
Availability Retired
41531 LEGO Mixels Flamzer
Retail $4.99
Value $16.31
Growth  +226.9%
Annual growth 8.0%

41532 Burnard

Theme / Subtheme Mixels / Series 4
Year 2015
Pieces 59
Availability Retired
41532 LEGO Mixels Burnard
Retail $4.99
Value $24.00
Growth  +381.0%
Annual growth 10.0%

41533 Globert

Theme / Subtheme Mixels / Series 4
Year 2015
Pieces 45
Availability Retired
41533 LEGO Mixels Globert
Retail $4.99
Value $22.35
Growth  +347.9%
Annual growth 7.0%

41534 Vampos

Theme / Subtheme Mixels / Series 4
Year 2015
Pieces 59
Availability Retired
41534 LEGO Mixels Vampos
Retail $4.99
Value $18.16
Growth  +263.9%
Annual growth 7.5%

41535 Boogly

Theme / Subtheme Mixels / Series 4
Year 2015
Pieces 52
Availability Retired
41535 LEGO Mixels Boogly
Retail $4.99
Value $15.00
Growth  +200.6%
Annual growth 10.4%

41536 Gox

Theme / Subtheme Mixels / Series 5
Year 2015
Pieces 62
Availability Retired
41536 LEGO Mixels Gox
Retail $4.99
Value $14.76
Growth  +195.8%
Annual growth 8.3%

41537 Jinky

Theme / Subtheme Mixels / Series 5
Year 2015
Pieces 59
Availability Retired
41537 LEGO Mixels Jinky
Retail $4.99
Value $29.96
Growth  +500.4%
Annual growth 11.4%

41538 Kamzo

Theme / Subtheme Mixels / Series 5
Year 2015
Pieces 58
Availability Retired
41538 LEGO Mixels Kamzo
Retail $4.99
Value $21.64
Growth  +333.7%
Annual growth 11.7%

41539 Krog

Theme / Subtheme Mixels / Series 5
Year 2015
Pieces 60
Availability Retired
41539 LEGO Mixels Krog
Retail $4.99
Value $25.00
Growth  +401.0%
Annual growth 9.7%

41540 Chilbo

Theme / Subtheme Mixels / Series 5
Year 2015
Pieces 65
Availability Retired
41540 LEGO Mixels Chilbo
Retail $4.99
Value $19.39
Growth  +288.6%
Annual growth 9.2%

41541 Snoof

Theme / Subtheme Mixels / Series 5
Year 2015
Pieces 54
Availability Retired
41541 LEGO Mixels Snoof
Retail $4.99
Value $18.41
Growth  +268.9%
Annual growth 8.7%

41542 Spugg

Theme / Subtheme Mixels / Series 5
Year 2015
Pieces 51
Availability Retired
41542 LEGO Mixels Spugg
Retail $4.99
Value $33.03
Growth  +561.9%
Annual growth 11.5%

41543 Turg

Theme / Subtheme Mixels / Series 5
Year 2015
Pieces 56
Availability Retired
41543 LEGO Mixels Turg
Retail $4.99
Value $23.06
Growth  +362.1%
Annual growth 10.8%

41544 Tungster

Theme / Subtheme Mixels / Series 5
Year 2015
Pieces 60
Availability Retired
41544 LEGO Mixels Tungster
Retail $4.99
Value $10.13
Growth  +103.0%
Annual growth 6.8%

41545 Kramm

Theme / Subtheme Mixels / Series 6
Year 2015
Pieces 68
Availability Retired
41545 LEGO Mixels Kramm
Retail $4.99
Value $29.76
Growth  +496.4%
Annual growth 13.3%

41546 Forx

Theme / Subtheme Mixels / Series 6
Year 2015
Pieces 65
Availability Retired
41546 LEGO Mixels Forx
Retail $4.99
Value $16.19
Growth  +224.4%
Annual growth 9.6%

41547 Wuzzo

Theme / Subtheme Mixels / Series 6
Year 2015
Pieces 74
Availability Retired
41547 LEGO Mixels Wuzzo
Retail $4.99
Value $20.32
Growth  +307.2%
Annual growth 10.8%

41548 Dribbal

Theme / Subtheme Mixels / Series 6
Year 2015
Pieces 52
Availability Retired
41548 LEGO Mixels Dribbal
Retail $4.99
Value $19.99
Growth  +300.6%
Annual growth 8.9%

41549 Gurggle

Theme / Subtheme Mixels / Series 6
Year 2015
Pieces 66
Availability Retired
41549 LEGO Mixels Gurggle
Retail $4.99
Value $15.39
Growth  +208.4%
Annual growth 7.5%

41550 Slusho

Theme / Subtheme Mixels / Series 6
Year 2015
Pieces 53
Availability Retired
41550 LEGO Mixels Slusho
Retail $4.99
Value $22.22
Growth  +345.3%
Annual growth 9.5%

41551 Snax

Theme / Subtheme Mixels / Series 6
Year 2015
Pieces 51
Availability Retired
41551 LEGO Mixels Snax
Retail $4.99
Value $34.00
Growth  +581.4%
Annual growth 12.9%

41552 Berp

Theme / Subtheme Mixels / Series 6
Year 2015
Pieces 68
Availability Retired
41552 LEGO Mixels Berp
Retail $4.99
Value $22.45
Growth  +349.9%
Annual growth 10.3%

41553 Vaka-Waka

Theme / Subtheme Mixels / Series 6
Year 2015
Pieces 69
Availability Retired
41553 LEGO Mixels Vaka-Waka
Retail $4.99
Value $28.43
Growth  +469.7%
Annual growth 11.3%

Mixels Series 4 Sealed Box

Theme / Subtheme Mixels / Series 4
Year 2015
Pieces 521
Availability Retired
LEGO Mixels Series 4 Sealed Box
Retail $149.99
Value $522.61
Growth  +248.4%
Annual growth 9.8%

Mixels Series 5 Sealed Box

Theme / Subtheme Mixels / Series 5
Year 2015
Pieces 525
Availability Retired
LEGO Mixels Series 5 Sealed Box
Retail $149.99
Value $400.61
Growth  +167.1%
Annual growth 7.4%

Mixels Series 6 Sealed Box

Theme / Subtheme Mixels / Series 6
Year 2015
Pieces 566
Availability Retired
LEGO Mixels Series 6 Sealed Box
Retail $149.99
Value $353.80
Growth  +135.9%
Annual growth 6.9%