Hands-on science activity kit allows children to develop different cognitive skills through play and helps stimulate the brain Experiment with simple ingredients to create scientific explosions! Have fun observing different reagents to create different types of explosions, piercing a bag and a balloon without making them explode, and so much more! The included booklet features awesome experiments and fun facts, along with safety rules, advice for supervising adults, and proper disposal info. The kit includes much of what you’ll need to complete the experiments, and it clearly advises what you need to add, such as water, spoon, etc.