Energy, Light, & Sound

3 years & up. This Color Crystal Block Set with Activity Cards can help children learn to fit shapes together and expand their understanding of spatial relationships, geometric vocabulary, and color recognition. This transparent acrylic block set features 17 different regular and irregular shapes in 5 translucent colors. These manipulatives will also spring to life when used with a light panel or in front of a sunlit window. The blocks create colorful streams of light and eccentric shadows.… More »

3 years & up. This set of Translucent Sensory Gem Cubes features 10 acrylic cubes perfect for color mixing, stacking, and balancing. Place cubes on a light panel or hold them in front of a window to create colorful shadows and watch colors dance. These colorful manipulatives are appealing for children to handle, which makes them an excellent resource for open-ended, sensory play. The high-quality, solid acrylic cubes are easy to wash and are designed to last for years of classroom or center… More »