UGears Mechanical Models are perfect for family bonding time, rainy days, or just when you need a break from the screen. Ideal for ages 8 and up, these kits are a great way to introduce kids and adults alike to the world of mechanical engineering. Each kit comes with detailed instructions and all the necessary pieces to build your own unique model. The models range in size from small desktop displays to larger, more intricate designs, so there's something for everyone. No special tools are required - just your hands and a sense of adventure!