Roylco's Light Learning Rocks collection features 48 pieces in 8 different nature-inspired shapes across 6 colors, produced in a beautiful transparent material to promote color learning & sensory exploration. The included play guide is a card deck of 36 pictures and patterns, sequences and stacking challenges that range in difficulty. EDUCATIONAL TOYS - Roylco light rock collection is a learning game for kids. This sensory toy can be used to teach small children how to sort and stack, learn counting, improve focus, and to be patient. FINE MOTOR SKILLS - These rock set for kids, can be used to develop fine motor skills in little kids. The stacking toys can help improve balance, stimulate the ability to create, and logical thinking. LEARNING COLORS - This transparent material rocks in a box contain 48 toy rocks in 6 colors of 8 different shapes and a card deck containing 36 picture cards that can help the kid in learning colors. FUN GAME - The unique toy from the house of place is one of the learning resources for 4 year olds and above that makes the learning process a fun game and can help build self confidence in all kids. FAMILY GAME - These sorting & stacking toys make a great family game that can be used to develop learning skills in young children at home. These rock toys can be a teaching aid in the classroom too. Age: 4-8+ years/Grade K-3