1. Kids helmets Children's Multi-Sport Safety Bike Helmets Cycling Skating Scooter for Girls / Boys (Click Link to Check Price on Amazon)
Editor's Rating : 9.3 out of 10
Material:PC Injection Moulded shell +EPS Polystyrene /Foam, CE certificateColor:Green,Head size: 48~52cm,Head Width: 16.5cm, Taking into account the child head circumference size difference,so this item is enough stock Fulfilled by Amazon,if you have size problem ,you can contact with Amazon customer service,a simple solution

2. Fly Bike Foldable Indoor/Outdoor Toddlers Glide Tricycle - No Assembly Required - Red (Click Link to Check Price on Amazon)
Editor's Rating : 9.5 out of 10
The Fly Bike is a smooth, quiet and easy to ride Bike for your Toddler or Young Child

3. Toddler Bike Helmet, Multi-Sport Lightweight Safety Helmets for Cycling /Skateboard/Scooter/ Skate Inline Skating /Rollerblading Protective Gear Suitable Boys/Girls ( 3-8 Year Old),(Blue) (Click Link to Check Price on Amazon)
Editor's Rating : 9.3 out of 10
[SAFETY] KuYou 's helmet is pass CE EN1078 Certified /CPSC Standards (This is the current european safety/manufacturing standard for helmets. The toughest testing requirements for helmets are currently imposed by CE-tests, including impact damping capabilities, effectiveness of the strap system as well as range of vision.)[ MULTI-SPORT] Cutting-edge child safety helmet for biking/cycling, skating, skateboard ,BMX ,Dry slope ,and more.

4. Child Multi-Sport Helmet With Knee Pads Elbow Wrist Protection Set for Skateboard Cycling Skate Scooter Yellow (Click Link to Check Price on Amazon)
Editor's Rating : 9.1 out of 10
Package:1 helmet +1 Pair of Elbow pad +1 Pair of Knee pad +1 Pair of Wrist pad+
first choice 5-14 years old kids,material:ABS.He have good adjustable strap securing system and decent ventilation whilst offering a huge of funky colours.

5. Razor MX350 Dirt Rocket Electric Motocross Bike (Click Link to Check Price on Amazon)
Editor's Rating : 9.8 out of 10
Scaled down, battery-powered electric moto-cross dirt bike for off-road ridingSuper quiet, single speed, chain driven motor with a twist grip throttle control