Mechanical puzzle box

UGEARS 3D wooden treasure box puzzle with a working key; assemble the mechanical inside to unlock a secret hidden compartment, a natural wood model that challenges and delights ages 14 and up.

Bold, beautiful model building: The new automaton by UGEARS combines a vintage design with the magic of mechanics and a genuine appreciation for nature. Simply pull the lever on the side of this 3D model and watch the cyclist launch into action. - Hands-o

Crafted from seasoned oak, this 3‑piece antique jewelry box puzzle invites you to assemble a miniature vault with hidden compartments and a sliding latch. The intricate interlocking joints mimic a bygone era, while the smooth finish feels like a relic waiting to be opened.

Build a charming wooden music box with Robotime ROKR 3D Magic Piano Model Kit, featuring intricate piano parts, a rotating lid, and a hidden melody that plays when the key is lifted.