Umbria Rectangle Dot

payneglasses.com

Exact match in solid red color, Exact match in rectangular frame shape, Consistent frame thickness and overall form factor, Temples are solid red, matching the source, Material appears to be plastic/acetate, consistent with source, Price tier is appropriate for a generic children's frame

Shiny Clear rectangle Plastic eyeglasses Online

eyebuydirect.com

Exact rectangular frame shape, Very similar bright red color, Matching frame thickness and proportions, Plastic material matches, Full-rim design, Appears suitable for a child

Zenni Kids Rectangle Glasses

Zenni Optical

Rectangular frame shape matches closely, Translucent red color is a very good match, Plastic/TR material aligns with visual appearance, Frame thickness is consistent, Appropriate for a child (kids' glasses)