The study ound the mermaid fin hindered a child's ability to swim by 70 per cent while the tail reduced it by 60 per cent.

Mermaid tail toys increase drowning risk

"Mermaid tails and fins reduce a child's ability to swim by making it significantly more difficult for children to float, restricting their movement and increasing tiredness."

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Five-year-old Toby learns to ride a balance bike, a bicycle without pedals.

'Look! No pedals mum': New way to teach children how to ride

Rob Berry is part of the team at the Balance Bike Clinic, a bicycle training school that fast-tracks the learning process for children to transition from tricycles to two-wheeled bikes by using small bicycles without pedals. "I would quite happily melt down every set of training wheels in the world," he says.

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