Office supplies; artists and teachers materials
Teaching material
Sensory feedback, e.g., audio-visual teaching machine
Inventor
active
Electronic educational activity toy
Electronic learning aid housing
No associations
LandOfFree
Frederick Lam-Tak Tsang does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Frederick Lam-Tak Tsang, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Frederick Lam-Tak Tsang will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-853028