Colour Filter Set for LED Ray Box Flooring A fantastic timber play resource

A fantastic timber play resource for all-year-round fun

5cm inner dimensions will fit almost any sheet music format

Keeps working surfaces clean

5mm) supplied with handilock floats in Blue

Introducing the Tom & Will double bass gig bag

Colour Filter Set for LED Ray Box Flooring A fantastic timber play resourceColour Filter Set for Lascells LED Ray Box Voltage protected . Super bright . Low temperature A classic ray box for ray tracing in optics experiments. The light source is a high intensity white LED which runs at low temperature. Ships with removable slit plate and lens to provide one or three parallel rays. The unit will operate at constant intensity from either a DC lab supply or plug top power adaptor in the range of 9 to 30V. A set of six primary