Thames and Kosmos Crystal NightLight
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Help develop your child's Bright Mind
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5 Great reasons to buy from us
Ready to grow a beautiful crystal and make it into a cool nightlight that will glow in a spectrum of colours? First grow the crystal from alum powder, then wire up the nightlight circuitry. Put the crystal onto the special platform and switch on. The colour-changing LED will light up your crystal!
The full-colour, 16 page manual gives easy-to-follow, step-by-step instructions and contains lots of really interesting information about the science of crystal formation and LED technology.
Die-cut black cardboard
Plastic base with lid
Transparent plastic cone
2 x contact springs
2 x black screw
2 x silver screws
Black wire with eyelet and contact latch
Double contact latch
Switch with eyelet and contact latch
2 x 50g Potassium aluminium sulfate powder (alum)
125ml measuring cup
16-page, full-colour instruction manual
You will also need:
Two clean empty jelly jars (about 600 ml, one with a lid), paper, pencil, scissors, tape, water, old pot and hot pad, pot holders, paper towels, a piece of cardboard, sturdy string, ruler, all-purpose glue, tweezers, small Phillips-head (“crosshead”) screwdriver, two AAA batteries (1.5-volt, type LR03).