The 63 piece STEM learning educational construction tiles set can be used either as a stand alone magnet tile kit or in conjunction with other Picasso Tiles magnetic building blocks as add-on sets. The tile-set have been updated with stronger and improved magnets that have the strength to easily hold up to 8 square piece together in a large chain. Introduces a creative reflection tile piece that can reflect light, colorful tiles or purely mirror any background or image that is placed in front of it.Upgrade every construction buildings kit with this unique play brick to create innovative funhouse mazes, reflective skyscrapers, and much more! Help young children boys and girls ages 3+ and up to understand the properties of a mirror and its interaction with bright lights and glowing color.