ALL LEGO DUPLO SOLD WILL BE USED. THERE WILL BE PLAY WEAR ON THE DUPLO. FOR EXAMPLE THE NORMAL SLIGHT SCRATCHES OR TINY CHIPS FROM IT BEING PLAYED WITH AND KNOCKING TOGETHER. I REMOVE ALL FAKE LEGO (SUCH AS MEGA BLOKS ETC) AND ALL CHEWED OR DAMAGED PIECES. ALL THE LEGO WILL BE CLEANED WITH DISINFECTANT SO IT IS READY TO BE PLAYED WITH! BEFORE PURCHASING MEASURE YOUR EXPECTATIONS! WEIGHT 500GS OF YOUR OWN DUPLO TO SEE HOW MUCH YOU WILL GET. 500G WILL NOT BUILD BUCKINGHAM PALACE! PLEASE KEEP THAT IN MIND. SECONDLY THESE ARE RANDOMLY SELECTED DUPLO BRICKS. AS WITH ALL DUPLO COLLECTIONS THERE WILL BE MOSTLY THE 2x2 and 2x4 BRICKS. PLEASE DONT EXPECT A FULL 200 POUNDS THOMAS & FRIENDS TRAIN SET! QUITE REGULARLY DECENT PIECES FIND THERE WAY INTO THE LOTS SUCH AS THOSE WITH MARKINGS ETC. ALSO PLEASE REMEMBER THE COLOURS ARE RANDOMLY SELECTED. THE COLOURS WILL ALWAYS BE VARIED BUT I CANNOT GUARANTEE EQUAL NUMBERS OF ALL. ASIDE FROM THIS HOUSE BUSINESS. THIS IS A GREAT BOOSTER PACK