Window Blocks have durable colored acrylic windows.

• SET INCLUDES: 20 Pieces in 5 shapes
• SIZE: Rectangles measure 5-1/2 inches W x 2-3/4 inches H x 1-1/4 inches D, equilateral triangles measure 5-1/2 inches W x 1-1/4 inches D, small squares measure 2-1/2 inches W x 1-1/4 inches D, arches measure 5-1/2 inches W x 2-3/4 inches H x 1-1/4 inches D, right triangles measure 5-1/2 inches W x 2-1/2 inches H x 1-1/4 inches D
• DURABLE: Made of durable solid birch wood frames, window blocks have colored acrylic windows
• SAFE: Blocks are safely sanded smooth on all the edges
• EDUCATIONAL VALUE: Block play supports creative thinking, imagination and engineering skills. Colored acrylic can be used to explore color mixing

A set of 24 wooden double-sided mirrored blocks in 6 different shapes and sizes (rectangle, square, round, right triangle, equilateral triangle and semicircle). Beautifully crafted with soft round edges make them the perfect choice for little hands. Stack them up and reflect the world! Sturdy blocks are great for visual and tactile learning. For children ages 18 months and older.

• MIRRORS: Each block has a safe acrylic mirror on both sides of the block so that children can see their image.
• BUILDING: Blocks are ideal for building structures in the classroom and for toddlers to knock over and rebuild.
• VARIETY OF SHAPES AND SIZES: Shapes are rectangle, square, round, right triangle, equilateral triangle and semicircle. Smallest block measures 2 inches in diameter x 1 inch H and largest measures 4 inches L x 4 inches W x 1 inch H.
• DEVELOP FINE MOTOR SKILLS: Playing with these blocks will help to build fine motor skills and enhance hand-eye coordination in young learners. Ideal for use in the classroom or homeschool setting.

This set of 6 clear acrylic stacking tubes is perfect for collecting all sorts of specimens for observation or display. While children fill and refill the tubes they are developing awareness about color, sound, and spatial relationships. Using the tubes can also help with developing fine motor skills and hand-eye coordination. They can be stacked for added interest and space saving, and are ideal for observation on a light table.

• FOR SCIENCE LOVERS AND COLLECTORS: Science fans and collectors of all ages will love collecting items such as acorns, leaves, sea glass, seeds, and much more.
STACKING: The nature of the lid and base make them perfect for stacking collections to save space.

• SEE THROUGH WINDOWS: The clear acrylic nature of these tubes make them the perfect item to store natural findings and other objects to enjoy for the short or long term.
• BUDDING SCIENTISTS: The perfect tool to get kids out in nature and exploring. Sometimes children like to observe nature before exploring it with their hands, and these tubes are perfect for such a use.
• WHAT'S INCLUDED: This set includes 6 tubes that are each 4-1/2 inches tall and 3 inches in diameter. The base and top are made of wood, and the tube is made of acrylic.

Enhance STEM-based activities with this set of magnification blocks, perfect for group play. Includes 6 rubberwood blocks with lenticular windows that magnify contents placed inside.

• EXPLORATION: Ideal for exploring natural, tactile and other detailed materials found inside or in nature.
• STEM EDUCATION TOOL: Covers STEM applications; focusing on Science, Nature studies, block play and size relationships.
• DURABLE: Each durable block is made of rubberwood block frames with inset lenticular windows & smooth, rounded corners and edges.
• INCLUDES: 6 blocks ranging from 2 inches to 7 inches.

Wow! Blocks you can actually fill and refill! Our exclusive set takes block play to a whole new sensory and creative level. Look at what's inside, sort, shake and build away. Perfect for housing beads, shells and many other small objects. Filling requires adult supervision. For children ages 3 years and older.

• REFILLABLE WINDOW BLOCKS: These blocks can be filled again and again to create new engaging and dynamic displays for young learners
• VARIETY OF SHAPES AND SIZES: These refillable window boxes come with four different sets including 4 square blocks: 4 inches W x 1-3/4 inches D x 4 inches H, 3 rectangular blocks: 4 inches W x 1-3/4 inches D x 8 inches H ,3 triangular blocks: 5-1/2 inches W x 1-3/4 inches D x 10-3/4 inches H
• STURDY DESIGN: These blocks are crafted from sturdy birch wood and acrylic so they can stand up to being filled and refilled for new activities
• LEARN SPATIAL RELATIONSHIPS: Filling and refilling these wooden window blocks will help to build concepts of spatial relationships in young learners
• DEVELOP FINE MOTOR SKILLS: Playing with these blocks will help to build fine motor skills and enhance hand-eye coordination in young learners. Ideal for use in the classroom or homeschool setting.