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Guides for parents

Practical help for buying and selling kids' gear second-hand.

Buying a second-hand kids helmet: what to check

How to check a second-hand kids helmet: crash history, age, the AS/NZS 2063 sticker, and a five-minute checklist before you buy.

Kids bike sizes by height and age

Which kids bike size fits? Wheel sizes from balance bikes to 26 inch by height and age, how to check the fit, and what to look for on a used bike.

Kids wetsuits: thickness, sizing and buying second-hand

What 3/2 and 4/3 mean, how a kids wetsuit should fit, and what to check on a second-hand wetsuit in New Zealand.

How to run a school uniform swap

A simple five-step plan for running a school uniform swap, plus how to let families pass on uniforms online through SizeUp.

How much should I sell my kids' sports gear for?

A simple way to price second-hand kids sports gear and school uniforms in NZ: condition guide, safety gear, bundles and when to drop the price.

Beginner BMX gear checklist for kids

What kids need to start BMX racing in NZ: bike size, full-face helmet, long sleeves and pants, gloves and shoes, plus what to check when buying used.

What gear do kids need for junior rugby?

A parent's guide to junior rugby gear in NZ: boots, mouthguards, headgear and club kit, plus what to buy second-hand and what to buy new.

What gear do kids need for netball?

A parent's guide to kids netball gear in NZ: court shoes, balls, uniforms and game-day rules, plus tips for buying second-hand.