Magnetic Stick N Stack Award Winning 60 Piece Magnetic Tiles Starter Set with 4 Windows, 60 Piece, Red, Blue, Green and Yellow A total of 60 Magnetic tiles. Includes 4 windows . Fully compatible with other brands. Clear transparent tiles Color Red Blue Green & Yellow. Learn Through Play with this Awesome STEM Toy! All They Have to do Is Play, While they Shape Their Future Success! Made of top quality & Safety tested to for all american guide lines. Fun Cognitive Development Hands-On Geometry Skills Spatial Skill Growth Fine Motor Development Encourage Critical Thinking Boost Math &amp; Creative Skills