Haba Discovery Blocks Curioso Perfect for ages 1 and up, these unique blocks stimulate perception and the senses. Then as the child grows, they can be used to embellish buildings. Compatible with all HABA building systems. Contents: 2 blocks with kaleidoscope, block with special effect foil, little bell, mirror, magnifying glass, peephole, kaleidoscope made of acrylic. Made in Germany