The Light Learning Rocks collection will spark imaginations and inspire creative play. It features 8 different nature-inspired shapes across 6 colors, produced in a durable, transparent plastic to promote color learning & sensory exploration in a beautiful way. Add these rocks to your light table to create beautiful designs. Stack the gems on a light table for color mixing, fine motor skills and balancing skills. These gems have also been designed to function as tools for mindfulness and concentration building as their smooth curved edges and weight can create a calming effect. The Light Learning Rocks help promote color and light learning, STEM logic skills, fine motor skills, basic sequencing, and mindfulness. As an added bonus, the set of 48 rocks includes a card deck of 36 pictures and patterns, sequences and stacking challenges that range in difficulty. Standalone or with a light table, these rocks bring magic into the classroom or home. For children ages 3 yrs. .