EduLab Microwave Transmitter/Receiver GK1120-C-M-RD Tri-Blocks® let children know spelling

Tri-Blocks® let children know spelling rules by their colour coding and unique block orientations

Pack of 10 Midi Hama Beads Round Pegboards

There’s also a redesigned control panel with direct button printing for intuitive operation

9 rubber/foam gates and 2 standing flags in a holdall

Ball clay based with specially graded hi-purity grogs

EduLab Microwave Transmitter/Receiver GK1120-C-M-RD Tri-Blocks® let children know spellingApparatus for the investigation of transverse waves. Convenient wavelength for the investigation of transverse waves. Plane polarised wave for the transmitter, internally modulated with 1KHz tone, or music, or no modulation. Built in gain control for the receiver, with 30 bar graphs to indicate signal strength, external outputs to data loggers and external meters. Built in loudspeaker for the receiver, with on off control. Detailed instruction booklet