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4-5 years, suggested height: 100-110cm.
5-6 years, suggested height: 110-120cm.
6-7 years, suggested height: 120-130cm.
8-9 years, suggested height: 130-140cm.
10-11 years, suggested height: 140-150cm.
11-12 years, suggested height: 150-160cm.
13-15 years, suggested height: 160-170cm.
16-18 years, suggested height: 170-180cm.