Mystery Blox is a great idea by Steven Macrow and Nicholas Dakin and brought to life and produced by PropDog. Based on the Kennedy Box principle, the spectator picks and signs a playing card (not forced) the magician then assembles the four walls of a lego box in front of the spectator, places a lid on the box very cleanly right in front of the spectator's eyes.
On opening the box, the spectator now sees a playing card inside the box. The magican then tips out the card to reveal the specator's signed card.
The box comes with a red card gimmick ready made up for you that just needs a few minutes wearing in. All you have to do assemble a few lego pieces and you're ready to go.
We also give you:
The official trailer will be coming soon.