Advent Stephen features Stephen with a clear transparent body with Christmas lights being strung all around including a strip over his face by garden gnomes. Christmas Advent Calendar (includes: Classic Thomas, Classic Percy, Classic Victor, Classic Diesel 10, Classic Charlie, Classic Dash, Classic Salty, Winter Skarloey, Winter Edward, Winter Paxton, Winter Sidney, Mono Scruff, Mono Spencer, Mono Diesel, Dino Stephen, Neon Toby, Robo Henry, Robot Charlie, Exclusive Holiday Thomas, Exclusive Holiday Toby, Exclusive Holiday Diesel, Exclusive Holiday James, Exclusive Holiday Henry and Exclusive Holiday Ben) Advent Chrome Thomas features Thomas with golden bells strung along his side tanks with red bows, an additional red bow on his roof and evergreen branches with pearls poking out between the bows.

Belle's prototype models are exactly the same as Rosie's, and she has handrails on her roof for her 2019 re-release. The only exceptions for the former case are the prototypes of her Light-Ups and Monster variants. Fizz 'n' Go Thomas & Monkey Set (includes: Fizz 'n' Go Thomas, Red Cargo Car, Yellow Bath Bomb and Mini Monkey Animal) Bertie, Harold and Kevin are depicted as engines. Therefore, they have rail wheels, buffers and coupling hooks. The enterity of the non-holiday variants featured make up the fourth series of blind bags for the 2017 series. From the release of 2016/4, the Minis production facility has been moved from Thailand to China. Coincidentally this wave also had re-used numerical codes that were also seen from other waves in 2016. They also had gaps in between chronological sequence. This is the first wave that this has occurred.Christmas Advent Calendar (includes: Classic Edward, Classic Percy, Classic Hiro, Classic Scruff, Classic Stephen, Classic Iron Bert, Classic Diesel 10, Classic Millie, Racing Thomas, Racing Spencer, Racing Flynn, Exclusive Holiday Thomas, Exclusive Holiday Toby, Exclusive Holiday Diesel, Exclusive Holiday James, Exclusive Holiday Henry Exclusive Holiday Ben, Sweets Ferdinand, Sweets Sidney, Sweets Skarloey, Electrified Henry, Sports Edward, Sports Porter, and Sports Salty) Fizz 'n' Go Nia & Animals Set (includes: Exclusive Fizz 'n' Go Nia, Mini Panda Animal, Mini Elephant Animal, Mini Zebra Animal, Mini Giraffe Animal, Mini Rabbit Animal & Mini Chihuahua Animal) Christmas on the Island of Sodor is the most festive season of all. Count down the days to the holiday with a special new surprise behind each door! Includes exclusive Christmas Minis! Contents [ ] The range was first produced in Thailand having weights inside. Some 2016/4 models continuing into 2017, the production moved to China onwards, removing the weights. The overall design and make have relatively stayed the same.

Days 1, 4, 5, 6, 7, 12, 14, 18 and 22 each correspond with the number of the engine received on that day. Christmas on the Island of Sodor is the most festive season of all. Count down the days to the holiday with a special new surprise behind each door! Includes exclusive Christmas Minis! ContentsAs in previous years, this fabulous advent calendar contains 24 Thomas & Friends MINIS engines, with one to collect every day as you countdown the December days to Christmas. Presently, Iron 'Arry is the only Mini not to have a Classic model despite having a DC Super Friends™ variant. Advent Harold features Santa riding his sleigh with his reindeer and Harold wearing a Christmas hat.

Fizz 'n' Go Percy & Cat Set (includes: Fizz 'n' Go Percy, Yellow Cargo Car, Blue Bath Bomb and Mini Cat Animal) Super Friends™ Minis #1 (includes: Thomas as Superman, Spencer as Cyborg, Diesel as the Dark Knight [Exclusive variant], Diesel 10 as The Joker and Millie as Harley Quinn; Exclusive to Comic-Con 2015) Flying Scotsman, Whiff and Rajiv share the same body molds as Thomas, Gordon and Emily respectively. Spring Basket (includes: Sweets Sidney, Sweets Ferdinand, Bunny Rosie, Easter Emily, Exclusive Thomas, Exclusive Toby, Exclusive Emily, Exclusive Scruff, Exclusive Charlie and Exclusive Harold)Christmas Advent Calendar (includes: Exclusive Advent Rebecca, Exclusive Advent Thomas, Exclusive Advent Nia, Exclusive Advent Emily, Exclusive Advent James, Exclusive Advent Percy, Advent Charlie, Classic Thomas, Classic Gordon, Classic James, Classic Percy, Classic Emily, Classic Nia, Classic Rebecca, Santa Thomas, Advent Henry, Advent Diesel, Advent Ben, Advent Toby, Christmas Percy, Sweets Skarloey, Sweets Emily, Winter Edward, and Winter Skarloey) Advent Gordon features Gordon with Christmas carolers and his number 4 on a snowflake on his cab roof. Classic Charlie is missing his brass fittings on the side of his smokebox, this was fixed on his Robo variant, but not on any other variant. Happy Holidays (includes: Advent Thomas (2015), Advent Diesel, Chillin' Edward, Chillin' Sidney, Sweets Emily, Sweets Skarloey, New Year's Edward, Exclusive Gordon, Exclusive Yong Bao and Exclusive Nia)

Each engine in the blind bags has its own respective item code. This can be used to distinguish a particular model apart.This is the first Advent Calendar not to have new Advent variants of Thomas or James as well as the first to randomise the placement of the exclusives. Hiro's models have his nameplate on his boiler rather than his smoke deflectors, possibly due to size reasons. Strangely, though, his Steel Superman prototype shows his nameplate on his smoke deflectors. Fizz 'n' Go Thomas & Animals Set (includes: Exclusive Fizz 'n' Go Thomas, Mini Panda Animal, Mini Elephant Animal, Mini Zebra Animal, Mini Giraffe Animal, Mini Rabbit Animal & Mini Chihuahua Animal)