One is lighter than the other. the two shoes can not light. one can light the other fail to light. Applicable age group: children. Color: Black +green，Pink ,White +blue.
eBay
12Pcs/set Stretch Silicone Shoelaces No Tie Shoe Laces Elastic Laces Sneakers Kids Adult Round Shoelace Rubber Bands for Shoes
Aliexpress UK
Because the light is on, theshoe does not have a USB interface. It is normal for one to be bright and one not to be bright, or one to be bright and one dark. If there is a lighting problem, for example, the left and right brightness are different, the leftnd right light will be bright and the other will not be bright, and the color will not be balanced.
eBay
Classic Round Shoelaces Durable Polyester Solid Shoe laces Boot Laces for shoes Sneaker Shoelace 21 Colors 70/90/120/150cm 1Pair
Aliexpress UK
Type: Girls Luminous Sport Shoes. Style:Casual,Fashion,Leisure,Travel. Gender:Children, Baby, Girls. And would malfunction as follows with the increase of usage Feature: Nin-slip, comfortable, lighting, lightweight.
eBay
Interlock Buckle Elastic Shoe Laces No Tie Shoelaces for Sneakers Flat Shoelace Kids Adult Elastic Laces One Size Fits All Shoes
Aliexpress UK
Stand out from the crowd with this unique design, available only from A2Z 4 Kids. Watch your child’s face light up – literally! The perfect blend of fashion and fun that kids love. 🎨 Exclusive A2Z 4 Kids Design.
eBay
No Tie Elastic Shoe Laces One Size Fits All Adult and Kids Shoes Shoelaces for Sneakers Shoelace Tieless Flat Expand Shoestrings
Aliexpress UK
This design is a sports trainer with light up heels and an easy touch fastening strap. The soles are made from a high quality material making them hard wearing and long lasting. The uppers are made from a breathable material with a stress area covered in a strong faux pu leather - ready to protect the toe / heel and side of the trainer.
eBay
Diamond Cross Lock Elastic No Tie Shoe Laces Flat Tag Shoes for Women Man Shoelace Luxury Bling Smart Buckle AF1 Metal Shoelaces
Aliexpress UK
These trainers are available in UK sizes 5.5, 7, 8.5, 9, and 12 and feature a pull-on closure for ease of wear.
eBay
8mm Width No Tie Shoe Laces Press Lock Shoelaces Without Ties Elastic Laces Sneakers Kids Adult Widened Flat Shoelace for Shoes
Aliexpress UK
Because the light is on, theshoe does not have a USB interface. It is normal for one to be bright and one not to be bright, or one to be bright and one dark. If there is a lighting problem, for example, the left and right brightness are different, the leftnd right light will be bright and the other will not be bright, and the color will not be balanced.
eBay
KOTLIKOFF Insoles For Shoes Flat Feet High Arch Support Orthopedic Work Insoles Shoes Sole For Plantar Fasciitis Valgus Shoe Pad
Aliexpress UK
Item Includes:1 Pair Shoes Only(Shoes Without Box). Pls confirm your feet size before you order the shoes. Product Category: Comprehensive training shoes. Color: Pink. Pattern: Solid color. How to wear it: Lace up.
eBay
Fashion No Tie Shoelaces Elastic Laces Sneakers Flat Shoe Laces Without Ties Kids Adult Quick Shoelace One Size Fits All Shoes
Aliexpress UK