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Add a tile with your name and your thoughts on why there is a difference between your predictions and the actual spins

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Write a summary of the difference between the expected and observed frequencies.

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Firstly do you think the Magic 8 Ball is right?

Predict the outcomes of 30 spins of the Magic Disc!

Tell someone why you think as you do?

Now spin the disc 30 times and keeping tally of the outcomes

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The crushed Magic 8Ball has something to say:
"The Magic Disc might be 'fair' but it probably won't give the same amount of yes, no or maybes if you ask it lots of questions! So what does it matter"

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Have all colours got their fair share of the disc?

Are any responses less likely to occur?

Check your answer by working out the probability of each response in decimal form.

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Shade me equally red (negative), yellow (noncommittal) and green (positive) then add a spinning arrow to my middle

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Click the video to the right to destroy that cheeky 8 ball!

Then look below....

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See What Happens When A Magic 8 Ball Is Crushed In Hydraulic Press!

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Find a classmate and tell them what you've found.

Is the 8ball being fair?

Describe to them what's most, less and equal likely to be its answer.

Do your number lines match?

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Turn your previous answers into a decimal format and pop them on the number line below!
(select edit option to draw answers on the number line)

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How many affirmative answers do I provide .............................................

How many noncommittal answers do I provide .............................................

How many negative answers do I provide .............................................

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Hi there!

Ever have trouble making up your mind?

Some people use me to make hard yes or no decisions for them!

But am I fair with my answers, do I sometimes dodge the question or do I trick people into saying yes?

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Click the link to find out!

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The Magic 8 Ball is a plastic sphere, made to look like an oversized , that is used for fortune-telling or seeking advice. It was invented in 1946 by Albert C. Carter and Abe Bookman and is currently manufactured by Mattel. The user asks a yes-no question to the ball, then turns it over to reveal an answer that floats up into a window.

The functional component of the Magic 8 Ball was invented by Albert C. Carter, who was inspired by a spirit writing device used by his mother Mary, a Cincinnati clairvoyant. When Carter approached store owner Max Levinson about stocking the device, Levinson called in Abe Bookman, Levinson's brother-in-law, and graduate of Ohio Mechanics Institute. In 1944, Carter filed for a patent for the cylindrical device, assigning it in 1946 to Bookman, Levinson and another partner in what came to be Alabe Crafts, Inc., combining the founder's names, Albert and Abe. Alabe marketed and sold the cylinder as The Syco-Slate. Carter died sometime before the patent was granted in 1948. Bookman made improvements to The Syco-Slate, and in 1948 it was encased in an iridescent crystal ball. Though not successful, the revamped product caught the attention of Chicago's Brunswick Billiards, who in 1950 commissioned Alabe Crafts to make a version in the form of a traditional black-and-white 8 ball, which was possibly inspired by a gag in the 1940 Three Stooges short film, You Nazty Spy!

Although originally sold as a paperweight, the Magic 8 Ball would remain popular for several decades as both an office toy and a children's toy.

In 1971, Bookman sold Alabe Crafts, Inc., to Ideal Toys, who marketed the ball firmly at children. In 1987, the rights were again sold to Tyco Toys, spurring on another marketing campaign and resurgence in interest. Tyco Toys was acquired by Mattel, the current manufacturer, in 1997. Despite its numerous owners, the Magic 8 Ball has changed little in design and implementation.

One of the possible responses of the Magic 8 Ball.

The Magic 8 Ball is a hollow plastic sphere resembling a black-and-white 8 ball. Its standard size is larger than an ordinary pool ball, but it has been made in different sizes. Inside the ball, a cylindrical reservoir contains a white plastic 20-sided regular icosahedron die floating in approximately 100 ml ( US fl oz) of alcohol dyed dark blue. Each of the die's 20 faces has an affirmative, negative, or non-committal statement printed in raised letters. These messages are read through a window on the ball's bottom.

To use the ball, it must be held with the window initially facing down to allow the die to float within the cylinder. After asking the ball a yes-no question, the user then turns the ball so that the window faces up. The die floats to the top, and one face presses against the window; the raised letters displace the blue liquid to reveal the message as white letters on a blue background. Although most users shake the ball before turning it upright, the instructions warn against doing so to avoid white bubbles.

While the Magic 8 Ball has undergone very few changes, an addition in 1975 by new owners, Ideal Toy Company, fixed the bubble problem. Their patented "Bubble Free Die Agitator", an inverted funnel, rerouted the air trapped inside. The solution has been utilized ever since.

Possible answers

A standard Magic 8 Ball has twenty possible answers, including ten affirmative answers (●), five non-committal answers (●), and five negative answers (●).

Divination - Attempt to gain insight into a question or situation

Flipism - Pseudophilosophy under which all decisions are made by flipping a coin

Fortune teller machine - Automaton that prints out reader's fortune

Ka-Bala - Talking board game manufactured and released by Transogram in 1967

Ouija - Flat board for communicating with spirits

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The Magic 8 Ball is a plastic sphere, made to look like an oversized , that is used for fortune-telling or seeking advice. It was invented in 1946 by Albert C. Carter and Abe Bookman and is currently manufactured by Mattel.