Test plan

Every test is recorded on GitHub via Issues → Test result.

#	Stage	Gate criterion	Parameter to change
1	Electronics bench test	10/10 circuits work, 3 LEDs clearly visible	LED type, resistor
2	Copper tape / GS-24	10 cuts, 10 clean peels	–
3	Comb test	Fits by a child's hand without force or wobble	SLOT_W
4	3D print	Nose cone and diffuser fit, glow in the dark	slotW, pocketD
5	Stickers	Dry, clean adhesion	–
6	Integrated prototype	An adult assembles it in 15–20 min	–
7	Pilot (6–8 children)	At least 80% success within 60 min	Assembly order