- Toby and Mavis are incorrectly depicted as 0-4-0s and Spencer is depicted as a 4-4-2 Atlantic type.
- Rosie, Emily and Whiff are somewhat oversized compared to the other engines.
- Rebecca is depicted without a tender and with black in place of her dark blue.
- Annie and Clarabel's underframes are grey, when they should be black.
- Gordon is cross-eyed.
- Most models have wonky eyes.
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