White model 6 brick is about 6mm, White model 2 brick is about 2mm, White model No. 3 brick is about 3mm, White model 4 brick is about 4mm, White model 5 brick is about 5mm, Mixed -color No. 6 brick is about 6mm, Mixed color loaded brick is about 2mm, Mixed color loaded brick is about 3mm, Mixed -color No. 4 brick is about 4mm, Mixed -color No. 5 brick is about 5mm