Mysterious mathematical devices designed to enable mathematical trickery!
This Mathematical Curiosities set contains curious mathematical devices that will amaze and delight kids of all ages!
The "Addition Dice" in this set are special dice showing three digit numbers on each face and are thrown to choose five random numbers. Adding these numbers together would normally take a few minutes or require the help of a calculator, but a clever technique allows the user to perform the maths in seconds.
Lay the "Magic Calculator" sticks side-by-side to form rows of four digit numbers. The sum of any combination of these figures can be calculated in seconds using a secret technique.
The "Magic Number Cards / Think of a Number Cards" are two sets of special cards that use different mathematical anomalies, allowing the user to determine numbers that have been secretly chosen by a second person.
Have fun with numbers with this Mathematical Curiosities set!
WARNING! CHOKING HAZARD - Small Parts. Not for children under 3 years.
Kids love puzzles and tricks, and this Mathematical Curiosities set combines both! A sure way for kids to have fun while practicing math.
What other things can you do with this product?
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