These Junior Rainbow Pebbles are made of natural FPC material, with each pebble having it''s own unique natural grain. The 8 double-sided activity cards are designed in natural color tones to match the pebbles. Set includes Junior Pebbles in 3 shapes and 6 colors. There are 36 Rainbow Pebbles and 8 x 2-sided activity cards included in the set. These Junior Rainbow Pebbles are made from FPC (Fibre Particulate Composite) which is 100% made from agricultural waste - rice stems and rice husks. FPC has many advantages: • Breaks down in the environment • Produces zero pollution with large savings in energy and water usage during the manufacture of the FPC raw material • Fully recyclable. || For ages 18m+. || Sizes: 2.75"L x 1.1"W, 2.2"L x 1.8"W and 1.5"L x 1.4"W.