This versatile construction set allows the creation of 12 different models, with the capability to build 3 to 4 models simultaneously. It features gears with simple ratios (8, 16, and 24 teeth) and square pieces measuring 7.5 x 7.5 cm. The comprehensive set includes 4 baseboards, various gears and pulleys, struts of different lengths, axles, connectors, and frameworks, enabling endless creative possibilities. Designed for ages 9 and up, it promotes hands-on learning in engineering and mechanics.