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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
turn the crank clockwise or counterclockwise for 3-5 minutes to activate the built-in battery
Say Goodbye to Cables and Clutter
a remote transmitter
With a weight below 250g
A metal zip and comfortable nylon handle make it easy to carry and access your essentials
399 piece stem simple machines base set homeschool educational building blocks lego style compatible __pcat_7555ebf9a84ed06b669848e3 turn the crank clockwise orA 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
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