Magnets attract, but can also repel each other, and that quality can be used to amazing creative effect in this set from Tegu. Each piece in the set has magnets safely embedded inside, so you can stack and arrange them to create lots of fun structures, or flip them over and watch them magically float as the magnets push away from each other. The set includes eleven pieces in all, and the basic stack measures 18 cm (about 7") tall. Made of sustainably sourced hardwoods with non-toxic, water-based stains and lacquer to keep it looking great for generations. Compatible with all other Tegu magnetic toys.