Test their crossword skills as well as wish them a happy birthday with this card! Designed by Tom Camp, it features 6 clues which all relate to age - two of them are already filled in to read 'Happy Birthday', with the others leading to slightly sassy answers...

Blank inside for your own message, and complete with a 100% recycled brown kraft envelope.

Made in the UK. Produced from sustainable sources and/or recycled materials.