LOCHE Engine Building Kit, MOC-45647 4-Speed Gearbox, Engine Building Blocks Set Science Engine Toy Compatible with Lego (188+PCS) - 1342647XN3791M

• 【Designed by TechnicBrickPower】This powerful and multifunctional four-speed gearbox uses the new Change over rotary catch component to smoothly select from 1 of four speeds using a single lever. The gearbox implements 1st, 2nd, 3rd and reverses with ratios of 0.36, 0.6, 1.0 and -0.333 respectively. The rotary catch is kept at neat 90-degree angles using a mini stepper. This could be a great solution for your next MOC vehicle project. 【Premium Material】There are 188+ pieces in total. Made of environmentally friendly ABS, smooth, high quality, color-matched and burr-free components, close together to form a solid structure. Each part fits well, not easy to loose. There are small particles inside, pay attention to safe use and storage. 【Value and Development】Spending hours assembling this STEM building blocks with your kids or family, can increase parent-child interaction and family intimacy. Moreover, it can stimulate childrens imagination and enhance their hand-eye coordination, let boys and girls enjoy hours of fun. 【Easy to assemble】The steps are easy to understand and make it easy for beginners to get started. You can follow the instruction step by step. After the kit is assembled, it is a good display model. 【Perfect Gift】Recommended for Ages 16+. This model can be used for indoor decoration and collection. It is also a great gift for friends or yourself on birthdays, Christmas, Halloween, Easter, Thanksgiving and other happy moments., Manufacturer: LOCHE