Most parts are designed to click together easily, and no additional tools are needed. The 40-50 minute estimate includes following the step-by-step English instructions, which are very straightforward. This is a DIY model. It isn’t fully assembled, Just snap on! Due to high demand, delivery times will remain within 2-3 weeks. Prices are subject to increase, so act fast—first come, first served. The price includes one set for a Surron mini bike finger toy only. If you're unable to make the payment, please contact rev797global@gmail.com. Parts Material: ABS, PVC, Stainless Steel Features:Steerable HandlebarsCompressible SuspensionAdjustable PegsGlue-Free AssemblyDimensions: 158 x 59.5 x 95 mm NOT 3d printed!!! For custom mini toy orders, cancellations are not accepted and refunds cannot be issued. All fully assembled model orders take about one week to process.