Boundary
No weight, strength or actual object dimension follows.
Complete source
Fictional parcel drawings P and Q have printed base labels 3 cm and 5 cm. Print-size changes do not change the supplied recorded labels.
Invitation
Compare the supplied drawn bases and label the evidence source.
Next try
Offer actual large paper shapes and write a prediction before obtaining their own ruler readings.
Ordinary possible response
Q is 2 cm longer than P in this supplied record; I have not measured actual parcels.