Accessibility Probes is used to determine whether any part or component of a toy can be contacted by the probe.
The probe simulates the finger of the infant or child touching the accessible points or edges of a toy,
which may then be subject to tests of sharp points or sharp edges.
Accessibility probes are designed for two age groups:
1. Probe A for 0-36 months(less than 3 years old)
2. Probe B for 37-96 months(more than 3 years old)
3. If the toys across two age groups, should use two Probe to test.