Idventure A-Maze-Ing Safe - Marble Run Money Puzzle Box - Tricky Gift Packaging - 3D Puzzle For Adults - Escape Room Game - BraiGift Puzzle Boxes Are Gift Safes With A Secret Lock, Designed To Make Unwrapping A Gift An Unforgettable Event! It'S A Creative Way To Present An Ordinary Gift, Such As Money, In An Unusual Way. Idventure A Maze Ing Safe Is A Money Box Combined With A Marble Maze. To Start The Marble Maze, You Have To Insert A Coin. Once You Have Mastered The Marble Maze, The Money Box Opens. As With A Classic Money Box, A Maze Ing Safe Also Has A Slot To Fill With