That is possible but strongly depends on the size of the gadget. The most important aspect is that it is flat. For example, a pack of chewing gum is not feasible, but it is if an increase is made.
Square90 x 90 mm100 x 100 mm150 x 150 mm Pen Holders/Calendars80 x 150 mmHexagonPop-up Round/Hexagon100 x 100 mm
Rectangle80 x 110 mm80 x 150 mm SpecialsPyramidConfetti spring cubeChristmas treeMailbox +Book voucherWith candles