LEGO storage provides an interesting angle on tidying up - it is like playing. You can actually stack the storage boxes like you are used to with regular LEGO bricks. It gives you a new and exciting way of doing interior decorating as well as the practical purpose of keeping everything tidy. 'Let the children tidy up with at smile. These oversized LEGO bricks are designed to stack, just like the original LEGO bricks. Decorate, play, build, form and have fun with the bricks or keep your LEGO bricks and other toys sorted using them as storage boxes. Plastic polypropylene, pvc free. Classic Lego color. Great grip - child friendly. Measures 19.7 x 9.8 x 7.1 in.Hand wash recommended.