Drop your colorful Water Marbles in a cup of water and watch in shock as they grow over 200 times in size. In a matter of hours, you will have hundreds of beautiful, full-size Water Marbles. Throw them, roll them, bounce them and catch them.
Recommended for ages 4+
SKU: 29685
UPC: 03-WMBH01
UPC: 03-WMBH01