Possible Clues:

• Flying toy
• *Right-angled flying toy
• Toy of paper, sticks and string (2 words)
• Square-shaped flyer
• Flat-sided toy attached to a string
• Airborne toy with no tail
• Flying toy that's open-ended
• Quality mark on case that should be blown up
• Right-angled flier
• High-flier, live, intercepted by neat tackle