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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
Specifically designed for beginners and younger players
High-tensile double stitching
9V battery and 3
The DD Tarp XL is a 4
17mm (per m2)
RayZer Lightbox (21st Century Raybox) (Each) Construction Materials Specifically designed for beginners andRayZer Lightbox Bring modern technology into your classroom with this ray box for the 21st century. This unit is for studying ray optics. It contains 3 laser diode modules. The power of each diode is less than 1mW and the wavelength is 650nm . The Rayzer is supplied with a plugtop power supply and is mounted on a white plastic baseboard. The beams may be switched between one and three . Paper can be placed on top of the baseboard and the rays traced.
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