Home / Canada / Canada - Ontario, Great Cities (1978) (Map) Color Changing Mug 11oz
  • Canada - Ontario, Great Cities (1978) (Map) Color Changing Mug 11oz Default Title 11oz - Go Mug Yourself
  • Canada - Ontario, Great Cities (1978) (Map) Color Changing Mug 11oz - Go Mug Yourself
  • Canada - Ontario, Great Cities (1978) (Map) Color Changing Mug 11oz - Go Mug Yourself
  • Canada - Ontario, Great Cities (1978) (Map) Color Changing Mug 11oz - Go Mug Yourself
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Canada - Ontario, Great Cities (1978) (Map) Color Changing Mug 11oz

Canada - Ontario, Great Cities (1978) (Map) Color Changing Mug 11oz

100 in stock

$17.99 USD
$17.99 USD
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Canada - Ontario, Great Cities (1978) - Color Morphing Mug Design

This design is a 1978 map of Ontario, set out as a full province-wide view that puts the land and its cities on one plane.

Visual Elements & Composition

The province fills the frame, with its lakes, river courses and road lines drawn as the main structure of the picture. Place names sit across the surface in small lettering, so the eye moves from the large shapes of the north and the Great Lakes shoreline down to the dense cluster of urban names in the south. Lettering and linework carry the design, and the layout is arranged so that no single feature crowds out the rest. Because the piece wraps the whole vessel, the map has no clear edge, and the outline seems to continue around the mug.

Meaning & Symbolism

A 1978 map is more than a navigation tool. It records how a province was understood at a particular moment, which places were considered important enough to name, and how boundaries and transport routes were drawn before later changes. The "Great Cities" title places it within a series that celebrated urban centres as the markers of regional identity. For anyone with roots in Ontario, or a fondness for old cartography, the map works as a snapshot of a place seen through its settlements.

Turning the Map in Your Hand

A mug is held and turned, so the map is never seen all at once. Each rotation brings a different stretch of province to the front, from the lakes to the cities, and the design reveals itself gradually as you drink. The mug's heat-reactive surface adds a second layer: the artwork appears as the mug warms, so the map seems to come up out of the cup. It makes a thoughtful gift for someone who likes history, travel, or Canada, and a quiet reminder of home every morning.

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Color-changing ceramic mugs with a glossy finish, black exterior, and white interior. Available in one size: 11 oz (≈330 ml). Heat-reactive coating reveals your custom design when filled with hot liquid. BPA- and lead-free, with a comfortable C-handle.

This mug brings a playful twist to the daily coffee or tea ritual. At room temperature, it looks like a simple black mug with a glossy finish. But add a hot beverage, and your chosen design fades into view, showing vivid colors against the white interior.

The ceramic body is durable enough for repeated use, while the C-shaped handle balances comfort and grip. Printing uses sublimation techniques that fuse color into the heat-reactive surface for crisp results when the design appears.

  • Material: ceramic with glossy black exterior and white interior.
  • Size: one standard size, 11 oz (≈330 ml).
  • Finish: glossy glaze with heat-sensitive surface.
  • Printing: sublimation process produces crisp, vibrant colors.
  • Safety: BPA-free and lead-free, suitable for everyday drinks.
  • Effect: design is faintly visible when cold, fully revealed when hot.

Perfect as a novelty gift or a fun personal mug, the heat-reactive design makes coffee breaks more engaging. It works well for morning coffee, afternoon tea, or hot chocolate.

  1. Daily routine: fill with any hot beverage to reveal your chosen artwork.
  2. Gifting: the “magic” reveal makes it a memorable present for birthdays, holidays, or office exchanges.
  3. Office use: sparks conversation while still being practical for everyday drinks.

Note: for best results, avoid designs that rely heavily on deep black backgrounds, as they may blend with the mug’s surface when cold.

Unlike standard mugs, color-changing mugs require gentler care to preserve the heat-reactive coating. Hand-wash only — avoid the dishwasher and abrasive scrubbers, which can damage the finish and reduce the effect.

The mug is safe for short microwave use when heating liquids, but repeated high-heat cycles may shorten the lifespan of the coating. Always allow the mug to cool before washing.

Available in one classic size: 11 oz (approximately 330 ml). It’s large enough for most standard coffee makers and fits comfortably in most cabinets.

Size guide

All measurements are product dimensions in inches.

11 oz
Height (in) 3.78
Diameter (in) 3.23
Diameter w/ handle (in) 4.76

Note: measurements are approximate; slight variations may occur due to manufacturing tolerances.