You just need an old Tea-mugs box, few lego blocks, piece of foil paper, two wooden spoons, a piece of glittery paper, a blob of cotton, a scotch brite. Fix the material one by one, in all the six rectangles and label as per the surface. The challenging part is asking your toddler to touch and feel all the surfaces, a few times. And then blindfold him/her and let the guesswork go on. It will turn out to be an amazing -fun and learn activity. You can add the language learning part also to it, by making your toddler read the first letter and guess the word.