Ruler, square and pencil for marking out. Coping saw, junior hacksaw, drill, drill bits, glass cutter, cutting mat, soldering iron. Small sheet (approximately A4 size) of thin MDF or plywood; small piece of thin glass or clear plastic; small metal ring (8-15mm or so in diameter). Red LED,3V coin cell battery, battery holder, toggle switch (single pole, single throw), short length of electrical wire. Dentist's mirror, Fresnel credit-card-sized magnifier. Camera ball mount. Spray paint, glue (we used a hot-glue gun), black paint, white paint.…