Paradox Box - Say goodbye to your marble, You may not see it again for a long, long time, Drop the shiny metal sphere into the Paradox Box and then move it through the blind maze by tilting and turning, Can you find the opposite exit without losing YOUR marbles? It"s a mental workout you can"t see coming - so deceiving you"ll wonder where in the heck that marble"s going, Stay with it or discover the secret, (we"ll never tell), to solve the one and only Paradox Box, Item Dimensions: 7, 25" x 7, 25" x 8, 5"