399 piece stem simple machines base set homeschool educational building blocks lego style compatible Colour:399Pcs No Box FM 87–108 MHz

FM 87–108 MHz

Hands-free Enjoyment: Featuring a stand design

Advanced Control System

practical storage

overall dimensions are approximately 31

399 piece stem simple machines base set homeschool educational building blocks lego style compatible Colour:399Pcs No Box FM 87–108 MHzA 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