My daughter started hanging out with me at the shop when she was 8 years old and took her first look at a wheel I was building, paused a second and said... that's a 3 cross wheel with (pause) 36 spokes... and she started helping me lace wheels the same day.
She made no mistakes.
She can take dis-assembled parts, look at a complete version, and reassemble those parts perfectly and she likes to do all her own maintainence although she needs help pumping up tyres as she isn't big enough to get a floor pump over 45 psi as at that psi the resistance equals her weight.
She would tell you this is probably not a good idea and I would agree with her.