Trefl Science4You Candle Laboratory is an educational set for children with which you will produce scented candles in the shape of a star or rose! Turn old crayons into colorful candles! From the lab you will know the story of the candle as well as its ingredients. Friend's Birthday? Give your own candle to your make! We guarantee that it is the best gift idea. The ice cube candle will be an original decoration in your home. Become a real scientist, put out the candle with a magic trick and have an extraordinary experience!