Prize wheel

A prize wheel is a spinner wheel with prizes on the slices, where some prizes come up more often than others. It's a proven draw at events and booths: a visitor spins, and the wheel decides what they win.

Common uses:

• Trade show booths and fairs: coupons, swag and one rare grand prize.
• Online stores and livestreams: discount codes for viewers.
• Company events and team building: small gifts, a day off or a team lunch.
• School and family events: raffle prizes, candy or challenges.

The wheel starts with a sample list (discounts, free shipping, a mug, "try again" and a grand prize) so you can see how weighting works. Replace it with your own prizes.

On a real prize wheel, the grand prize should come up less often than a coupon. Weights handle that: the number after a prize sets its chance relative to the others. Slice sizes follow the weights, so what people see matches the real odds.

The sample list's odds:

Prize	Weight	Chance
10% off	3	20.69%
Free shipping	2	13.79%
Free mug	1	6.90%
Try again	4	27.59%
5% off	4	27.59%
Grand prize	0.5	3.45%

A prize's chance is its weight divided by the total of all weights (14.5 here). The grand prize is 0.5 / 14.5 = 3.45%, about once every 29 spins on average. The Odds section under the wheel always shows the exact percentages as you edit the list.

When a prize runs out, add *0 to its line: it leaves the wheel but stays on your list.

At an event, how the wheel looks matters too:

• A color per prize: add a hex code to the line, like Grand prize *0.5 #ca8a04, so the grand prize is gold and coupons are in your brand colors.
• Center logo and background: add your logo to the center of the wheel and an image behind it. Images stay on your device and are never uploaded.
• Confetti and sound: each win gets confetti and a fanfare. Choose from five sound sets; both can be turned off.
• Full screen: on a projector, TV or tablet the wheel fills the screen, and Space or Enter spins it.

If your prizes have photos, the picture wheel can put them on the slices.

When real prizes are involved, people expect the game to be transparent:

• Post the rules first: which prizes there are, how many of each, and who can spin.
• Don't hide the odds. Slice sizes reflect the weighted odds, so the wheel isn't misleading.
• Track your stock. When a prize runs out, switch it off with *0 so it can't come up again.
• Keep a record. The history saves each result with the time, and you can download it as a CSV file.

The winner is picked by your browser's cryptographic random number generator when the spin starts; how hard or when someone clicks makes no difference. As the organizer, you're responsible for making sure your giveaway follows the rules that apply to it.

Every wheel feature works here too: themes and custom colors, five sound sets, confetti, full screen (Space or Enter to spin), winner removal, saved wheels, history with CSV export and a share link. This page saves its own list separately, so it won't overwrite your list on spin the wheel.