The 1998 McDonald’s Tamagotchi toys borrow the egg-shaped design of the digital pet and give each keychain a small physical activity. Some open to reveal a character; others change a picture, turn panels or light up.
The collection has eight standard numbered toys and a ninth glow-in-the-dark release associated with McDonald’s restaurants inside Walmart stores. Compare the shell, controls and mechanism to find yours.
McDonald's own retrospective confirms that the egg-shaped Tamagotchi keychain entered the Happy Meal in 1998 "at the height of the digital toys trend." Collector references generally date the North American promotion to July 17 through August 13, 1998, although we have not located a surviving McDonald's primary source that prints those exact start and end dates.
Were the McDonald's Tamagotchis electronic?
These toys do not contain a virtual pet to raise.
The McDonald's toys borrowed the egg silhouette, three-button layout and pixel-screen look, but they did not contain a virtual pet. Most used simple hinges, wheels, wind-up parts, colour-changing material or removable figures. Number 8 contained a red light powered by small batteries. Number 9 used glow-in-the-dark material rather than a digital display.
That distinction makes the set easier to identify. A genuine electronic Tamagotchi has a functioning LCD screen and controls for caring for a digital character. A 1998 McDonald's Tamagotchi Toyz keychain has a fixed decorative "screen" and one physical play feature.
The nine McDonald's Tamagotchi toys
1. Yellow shell: the changing cube
The yellow egg has green buttons and separates across a wavy seam in the middle. Opening and closing the shell turns a small cube inside, changing the figure visible through the front window.
The changing image echoes the evolution mechanic that made the electronic Tamagotchi compelling: care for the creature and watch it change. This version creates that transformation mechanically. There is no screen or software; the shell itself advances the image.
How to identify it: yellow shell, green controls, wavy horizontal opening, rotating image cube.
2. Purple shell: the moving dog
The purple egg is a hinged carrying case for a lime-green dog figure. Moving the figure's head operates its mouth, giving this toy a tiny chomping or talking motion.
The character remains attached to the key ring, so the egg acts as both packaging and a portable storage case. A photograph with the shell open is much more useful for identification than a closed-shell colour photograph.
How to identify it: purple shell, orange controls, lime-green dog inside, movable head and mouth.
3. Green shell: the mix-and-match screen
The green version is the most obviously game-like of the non-electronic toys. Three thumbwheels on the back rotate three horizontal panels behind the front window. Turn the wheels to align one complete Tamagotchi character or scramble the head, middle and lower body into a new combination.
The three wheels on the back control the image. The buttons on the front are decorative.
How to identify it: green shell, purple controls, three wheels on the back, three independently rotating character strips.
4. Red shell: the heat-reveal screen
The red shell's front window looks dark until warmth reveals the image underneath. Rub the panel with a thumb or warm it gently with breath and a Tamagotchi character appears; as the material cools, the image fades again.
The effect depends on thermochromic material rather than electronics. After nearly three decades, some examples may reveal the picture faintly, unevenly or not at all. That does not automatically mean the toy is counterfeit; it may simply have aged.
How to identify it: red shell, yellow controls, dark heat-sensitive window, hidden image that appears when warmed.
Care note: do not use a hair dryer, hot water or another high-heat source to force the image to appear. Gentle hand warmth is enough for testing and is less likely to damage old plastic or the colour-changing panel.
5. White shell: a translucent character keychain
The white egg opens into a storage case for a small red-toned translucent character attached to its own chain.
The character itself is the keychain: the shell protects and stores it when it is not being carried. This is one of two variations built around removable translucent figures rather than a screen effect.
How to identify it: white shell, blue controls, hinged front, small translucent red-toned character stored inside.
6. Light-blue shell: the second translucent character
The light-blue shell contains a translucent yellow-toned figure with a broad, blocky outline. Open-shell photographs help distinguish it from the figure in the white egg.
The white and light-blue toys are not simple shell recolours. They contain different characters and use different colour combinations, so a complete set includes both.
How to identify it: light-blue shell, dark-pink controls, hinged front, translucent yellow-toned character inside.
References disagree about the names assigned to the figures in toys 5 and 6. This guide identifies them by visible features rather than assigning an uncertain character name.
7. Orange shell: the wind-up beak game
The orange shell opens at the top to reveal a small green character with a prominent beak. A thumbwheel on the back winds the mechanism; when released, the beak moves from side to side. A small slider changes or controls the action.
The moving beak is the key feature to check. Photograph the shell open and the rear controls, and avoid forcing an aged mechanism.
How to identify it: orange or red-orange shell, blue controls, opening top, green character, rear wind-up wheel and small slider.
8. Dark-blue shell: the red light
The dark-blue variation is the only standard toy in the set with a battery-powered feature. Press the large front "screen" and a red light shines from the bottom of the egg.
An older example may no longer light. Record whether the feature works, but do not assume the cause without examination. Opening the shell can damage old plastic or original components.
How to identify it: dark-blue shell, yellow controls, pressable front window, red lamp in the lower part of the egg.
9. Magenta shell: the glow-in-the-dark Walmart exclusive
The ninth toy is a magenta hinged egg containing a pale figure designed to glow in the dark. Collector databases and sealed-market examples consistently describe it as an exclusive offered through McDonald's restaurants located inside Walmart stores.
Collector nicknames for this toy vary. The magenta shell and glow-in-the-dark figure provide a clearer description when the original printed name is unavailable.
The inner figure resembles the translucent character housed in the white shell but uses glow-in-the-dark material. Charge it under bright light, then move it into darkness to test the effect. As with the red heat-reveal screen, age can weaken the feature.
How to identify it: magenta or dark-pink shell, hinged case, pale figure, glow-in-the-dark material, Walmart-exclusive collector history.
Standard set of eight or complete set of nine?
Both descriptions appear in listings, and context matters.
- "Set of eight" usually means the nationwide numbered Happy Meal assortment.
- "Set of nine" includes the magenta Walmart-location exclusive.
A seller can therefore call the eight standard toys a complete regular set without necessarily overlooking a numbered nationwide release. For a genuinely comprehensive collection of known North American variations, however, collectors generally include the ninth egg.
Colour alone is not enough to identify one
The functionality is more reliable than a seller's colour label. Light blue is often called teal, orange is sometimes listed as red, and magenta may be described as pink or purple. Photographs taken under warm light make the problem worse.
Use these four checks together:
- Shell construction: does it split across the middle, open on a hinge, or remain closed?
- Rear mechanism: are there wheels, a wind-up knob, a slider or a battery compartment?
- Front feature: does the window rotate, reveal an image with heat, press inward or stay decorative?
- Inner character: is there a dog, a translucent figure or a glow-in-the-dark figure inside?
If those features match, the original promotional number can usually be identified even when the shell has faded.
Common missing or failed parts
These were children's keychains, so incomplete examples are normal.
- The purple, white, light-blue and magenta hinged shells may be missing their inner character.
- Hinged eggs may be separated or have broken latches.
- The yellow shell's internal cube may stick.
- The green shell's character strips may not align cleanly.
- The red shell's heat-reveal effect may have faded.
- The orange shell's wind-up mechanism may no longer move freely.
- The dark-blue shell's original batteries are commonly dead.
- Chains and rings may have been replaced.
For identification, photograph the front, back, side, open shell, mechanism and any moulded copyright or manufacturer markings. For condition, test gently and never force a wheel, latch or wind-up part.
Explore the toys
Use the McDonald's Tamagotchi toy release record for the set-level data and the Tamagotchi character database for character records.
Millennial Daydreams also transforms authentic vintage shells into Tamagotchi bag charms, pictured above as the charms themselves, each one of a kind.
Sources and research notes
The year comes from McDonald's own Happy Meal retrospective, which confirms the egg-shaped Tamagotchi keychain entered the Happy Meal in 1998. Mechanisms are verified through a physical demonstration of all nine toys and a packaged-inventory listing of toys 1 through 8. The set structure, US and Canada scope, date range and Walmart-exclusive account are corroborated by the Kids Meal Wiki, the Tamagotchi Wiki, a near-period collector page and a 2004 retrospective.
No accessible McDonald's press release or photographed master checklist independently confirms every function, exact promotion date and distribution detail, so we treat the year as confirmed by McDonald's, the mechanisms as verified through physical demonstrations, and the exact dates and exclusive history as well-corroborated collector documentation. Corrections are welcome via the contact page.
Editorially revised September 8, 2026.