399 piece stem simple machines base set homeschool educational building blocks lego style compatible Colour:399Pcs No Box flexible head designed to reach

flexible head designed to reach the curves and contours inside the bowl

The 30A electric power adjustment ensures smooth and responsive flight

Practical cleaning for every bathroom

Interior dimensions (L x W x H): 37 x 25 x 2 cm

providing incredible thrust and efficiency during flight

399 piece stem simple machines base set homeschool educational building blocks lego style compatible Colour:399Pcs No Box flexible head designed to reachA 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