399 piece stem simple machines base set homeschool educational building blocks lego style compatible Colour:399Pcs No Box TF Card Slot

TF Card Slot

Upgraded 22mm metal rectangular tail tube for strength and beauty

leisure activities

Voltage: The product operates at an energy-efficient voltage of 5V

399 piece stem simple machines base set homeschool educational building blocks lego style compatible Colour:399Pcs No Box TF Card SlotA 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