The Purple Cow Kitchen Science Activity Cards make a brilliant gift for any budding young scientist The Kitchen Science Activity Card Set includes experiments such as green sunny side-up egg; the balloon with a skewer stuck within and much more Each tin contains 20 cards with instructions and an explanation for 20 science experiments There are eight difference Activity Card packs available in the series including Indoor Science, The Magic of Science, Young Researchers and Forces and Energy These Science Activity Cards make a fun, educational gift for age 6 years and over, Manufacturer: The Purple Cow