Spirograph Bruno Abakanowicz invented the Spirograph between 1881 and 1900. It was used for calculating an area delimited by curves. Drawing toys based on gears have been around since at least 1908, when "The Marvelous Wondergraph" was advertised in the Sears catalog. An article describing how to make a Wondergraph drawing machine appeared in the "Boys Mechanic" publication in 1913. The Spirograph itself was developed by the British engineer Denys Fisher, who exhibited at the 1965 Nuremberg International Toy Fair. It was subsequently produced by his company. US distribution rights were acquired by Kenner, Inc., which introduced it to the United
Stickle Bricks Stickle Bricks Stickle Bricks are a construction toy primarily intended for toddlers invented by Denys Fisher in 1969. The brand is owned by Hasbro, and as of 2016 is sub-licensed to Flair Leisure Products plc. An individual stickle brick is a colourful plastic shape a few centimeters long which has a "brush" of small plastic "fingers" on one or more surfaces. The fingers of adjacent stickle bricks can interlock, allowing them to be joined in various ways. Standard sets of stickle bricks contain triangular, square and rectangular pieces. Many recent sets also include other types of pieces such as heads,