Colorful toy blocks with jumbo Braille alphabet symbols in coded on 5 sides of the block. They also have the sighted letters carved into the bottom. The blocks come in multiple colors with white codes on the top. The codes are raised on the blocks about 4 millimeters and are to Unified English Braille standards. Letters A through Z are included. The numbers 0 through 9 are inscribed on the bottom of letters A through J. The number sign and the capital sign are included. English - 28 pieces Spanish - 34 pieces German = 37 total pieces French = 45 total pieces They are all solid plastic pieces printed with ABS plastic. They also float. So, if your child likes to play with turtles in the tub or pool they are perfect for that. Combine these in multiple combinations to teach your child reading. They are plastic whole pieces that are safe for any age. They are about 1 1/2 inches wide, 1 /12 inches long and 1 1/2 inches tall (4cm x 4cm x 4cm.) The blocks are 3D printed using ABS plastic (acrylonitrile butadiene styrene) Dishwasher safe Made in Texas Patent pending