3Doodler Flow Plastic Refills (20Rolls) (只限Flow使用) accessories which can be applied in

which can be applied in robot building and programming teaching

Width: 52mm

• Far more efficient

wide scattering angle

Transmitter is used to send ultrasonic signals

3Doodler Flow Plastic Refills (20Rolls) (只限Flow使用) accessories which can be applied inAll 3Doodler plastic strands are made from the highest quality materials, at factories in the US, UK and Spain, and they have all been subjected to the strictest standards of safety testing. This includes passing RoHS testing, Toxological Risk Assessments, LHAMA compliance testing, and heavy metal testing by labs including Intertek and Bureau Vertias (two of the world's most reputable testing labs). Description Unleash your imagination with 20 mini