93pcs Gear Building Toy Set Interlocking Learning Blocks Spinning Gears DIY Playground Edition

This building block set comprises 1,686 pieces, enabling enthusiasts to construct a detailed model of a mechanical crane. The assembled crane features realistic functions, including a rotating base, extendable boom, and operational winch. Designed for builders aged 14 and above, this set offers an engaging and educational experience, enhancing fine motor skills and understanding of mechanical principles. Compatible with major building block brands, it integrates seamlessly with existing collections.

This 573-piece STEM building block set enables children to construct 12 different models, including various vehicles and robots, promoting creativity and engineering skills. Suitable for ages 6 and up, it offers an educational and engaging building experience. Crafted from durable, child-safe materials, the set is compatible with major building block brands, allowing seamless integration with existing collections.

This 1,828-piece building block set allows you to construct a detailed mechanical excavator model. The completed model features realistic functions, including a 360-degree rotating operating table, movable boom, and functional hood. Equipped with multiple motors and a rechargeable battery pack, the excavator can be controlled via a remote control or a dedicated mobile app, offering an immersive building and playing experience. Suitable for enthusiasts aged 14 and above.