Children will have great fun with this construction and early math manipulative. Ideal for developing fine motor skills, and for counting, sorting and creative design. Can also be used for therapy and rehab where they can practice stacking the pebbles. The tactile experience of the smooth, rubbery pebbles and six different colours will delight the senses. Includes 36 plastic pebbles in 6 sizes and 6 colours, and 20 double-sided activity cards. Grades PreK+.