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TR-8237
Mathemagic can turn you into a human computer! Included are 4 square sticks with random single digit numbers. When placed side by side, you have four 4-digit numbers. You can instantly figure out the total of the 4 numbers! You can
$3.00
TR-8283
Seven wooden strips with random numbers written on both sides are displayed. A volunteer is asked to place any five strips in any order into a wooden frame thus forming five, five-digit numbers. Instantly reveal the total of these five five-digit number
$16.95
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