399‑Piece STEM Simple Machines Base Set – Homeschool Educational Building Blocks, LEGO‑style Compatible __IMPORT83 and support for 1S Lipo

and support for 1S Lipo or Lihv batteries

Its small wheelbase

Made from high-quality waterproof Oxford cloth and lined with durable polyester

or exploring new destinations during your travels – our Oxford backpack is your reliable companion for any occasion

Brand Name: Happymodel

399‑Piece STEM Simple Machines Base Set – Homeschool Educational Building Blocks, LEGO‑style Compatible __IMPORT83 and support for 1S LipoA 399 piece set designed for hands on STEM and simple mechanism learning at home or in the classroom. Self locking ABS bricks give you sturdy, reliable connections so models stay together while you experiment and learn. Parts are compatible with standard small building bricks, letting you mix and match with existing collections for more creative options. Easy to assemble and disassemble ideal for DIY projects, model builds and exploring mechanical