Eco-Wood-Art Mechanical Wooden 3D Puzzle, Da Vinci Tank Construction Kit

- Eco-friendly 3D models to assemble and customize at school or at home. - Mechanical wind-up historical 3D-puzzle of the Leonardo Da Vinci's fighting vehicle. This replica of the tank is designed by the greatest Italian inventor in 1487 with 360 canons and revolutionnary sloped armour increasing its stopping power substantially. This model has a rotating rubber-band mechanism in the lookout and wooden gears inspired by the original invention. Equipped with a stop & go lever. - Eco-friendly sustainable material made of FSC certified wood. Very high precision with laser-cut plywood with amazing details. - All inclusive boxes, self assembly - No messy glue required. - Clear colourful step-by-step assembly instructions. - Model includes candle wax for gears, sand paper and rubber bands (not all kits, included when relevant). Very sturdy construction. - Number of pieces: 363 - Can be painted with thin water-based paints, except the gears, not to obstruct the mechanisms. - Recommended age :14 years old or over. - No batteries required. - Watch these tips before starting: https: youtu.be vCtTfemvE1M - Proud member of 1 for the Planet, a global organization that exists to ensure our planet and future generations thrive. onepercentfortheplanet.org - Difficulty Level: - Box Dimensions: 9.6 7.4 1.7 in. - Assembled Model Dimensions: 10 9.4 6.1 in.