Eco-friendly 3D models to assemble and customize at school or at home. This is a really fun mini fidget twister with different gears interconnected and turning together. Attractive and essential fidgeting tool. Recommended to reduce stress and anxiety. 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 colorful step-by-step assembly instructions. Can be painted with thin water-based paints, except the gears, not to obstruct the mechanisms. This package contains one EWA Eco-Wood-Art Fidget kit. Number of pieces: 18. Assembled Model Dimensions: 2.6x2.6x0.8 in. Imported.