We recommend getting two sets of trays - So you can make multiple batches at once or gift them as gifts. It's also recommended to keep one for crafts like crayons and soaps and have a separate set for for chocolates， Jell-O， ice cubes， etc. SIZES: *YELLOW TRAY: Makes 10 bricks (each brick measures: H=1.5cm， W=2.5cm， L=4.5cm) *ORANGE or RED TRAY: Makes 1 Giant Lego-man (9cm tall) and 4 small Lego men (4.5cm tall) *BLUE TRAY: Makes 8 small Lego men (4.5cm tall) Package including: 1* yellow mold1* Orange mold1* Blue mold