These all Silicone Stacking rainbows come in 3 color options and 2 sizes.
The Small weighs 8.5oz and the large weighs 20oz.
The Small is 5in by 2.5in and the large is 7.5in by 3.5. As a size reference the Stacker Toys are 4 in wide and 5 in high.
This is a 3+ toy because of the size of the smallest rainbow piece.
NEW WATERMELON It's a 7 piece set so its also a medium size. weight is 10.5oz