Precision made, these expanded shell coins are manufactured to nest over the popular Royal Magic Chinese coins. Using a coin and shell together, a limitless number of tricks are possible, including Matrix routines, Coins Through Table, vanishes, color changes, and many more. Supplied as a set - one shell and one colored coin per set, polybagged with color header and complete instructions offering one trick plus tips and suggestions. Yellow, Blue and Red sets are available. Black shell/coin sets are also available.