Key Features :
i : 10 TRANSLUCENT COLORS -- With 10 cubes in each of the 10 translucent colors, your youngster will get creative with STEAM activities including pattern-making, construction, light exploration, color mixing and more!ii : CLEVER DESIGN -- These 0.8"/2cm Linking Cubes snap together with an easy "click" and apart with a soft "pop", making them an ideal fine motor, construction and creative activity for ages 3+.iii : HIGH QUALITY -- Made with thick plastic, these Linking Cubes contain more raw material than some other counting cubes on the market. This makes them more durable plus there are no sharp edges.iv : DESIGNED FOR SMALL HANDS -- With 0.8" or 2cm sides, the cubes are larger than some other construction cubes so they are easier for small hands to manipulate.v : INSPIRE EARLY STEAM -- Linking Cubes connect on 6 sides which means endless building. Use these sensory toys on a light table for counting, construction and creativity to give your child a head start!vi : TEACH EARLY MATH -- Teach math concepts such as: number problems, algebra, geometry, measurement, length and area with these number blocks.