The Bottom Line
I was really impressed by this science kit. The jelly marbles are beautiful and fun just on their own plus the science in the activity kit is well-explained and interesting. The kit is economical, the packaging and shipping from Steve Spangler Science were top-notch, and there were plenty of experiments to keep kids entertained while teaching solid science concepts.
Pros
- Affordable science kit with lots of activities.
- Projects are easy to perform and understand.
- Jelly marbles are re-usable.
Cons
- The dyes used to color the marbles will stain your fingers and clothes.
- Very young children might be tempted to eat the marbles or other ingredients.
Description
- The Jelly Marbles kit contains jelly marbles, coloring tablets, mixing trays, petri dish, measuring scoop, and instructions.
- Basically, you just add water! The jelly marbles will swell. There are several experiments you can perform.
- Jelly marbles can be used to teach about polymers, osmosis, colors, refraction, magnification, and absorption.
Guide Review - Jelly Marbles Activity Kit
The Steve Spangler Science Jelly Marbles Activity Kit is a science kit that features water-absorbing polymer balls in a variety of interesting science experiments. My kids spent several days trying out the different projects. My oldest son was particularly enthralled by the Ghost Marble project, which involves hydrating a clear polymer bead in water. The marble is invisible in the water; it looks like a crystal ball when you take it out of the water and set it in your hand. The kids came up with an idea on their own, which involved filling a small inflatable kiddie pool with the invisible jelly marbles. They threw some dyed marbles into the pool, too. The polymer jelly marbles were fascinating.


