【Technical Gear Pack】Included over 120PCS of technical replacement parts, various gears, axles, pins, connector, differential, chain and two Gearboxes.
【Compatibility】Compatible with major brands technical bricks. This pack can be used as a replacement to your technical project. Parts are simple to use, easy to assemble and disassemble.
【Value Technical Pack】This pack is rich in various technical parts. It helps building block fans reduce the time and cost of collecting parts in need. Also good for starters to build some simple technical designs.
【Spark STEM Ideas】Designed for MOC building blocks lovers and young creators, this set helps children develop STEM skills. They can use it to build or upgrade their robots, technical vehicles, engines and so on.
【Ideal Gift】Our bricks accessory pack is designed to be educational and entertaining. It's the perfect gift for family gatherings, preschool classroom,birthdays, Christmas.