Exciting science experiments through your letterbox
Continue your adventure in science with the eleventh Explore Box – Keep it Secret. With this box your little scientist will reveal hidden secrets by building a periscope and playing with thermochromic (changing colour with heat) slime. They will also make a few secrets disappear with disappearing paper.
This set is supplementary to Explore Box 1 – Hidden Rainbows.¬†
The boxes contains everything you need to do the experiments – no shopping list of extra stuff to buy.
Fits through most letterboxes – no trips to the post office.
Video instructions and illustrated instruction booklet.
Suitable for children aged 6 and up.





