His specialty is the hand-made, one-of-a-kind variety like the rocking horses or pull toys that fathers made for their young for generations.
In 1932, Ole Kirk's shop started making wooden toys such as piggy banks, pull toys, cars and trucks and houses.
He designed several kinetic wooden push and pull toys for children, which were mass-produced by the Gould Manufacturing Company, in Oshkosh, Wisconsin.
She sometimes brings them into the office on weekends, pulling toys out of a closet there.
They include antique Teddy bears, roller skates, pull toys and a variety of playthings from around the world.
With push and pull toys the children experience weight in a very practical way when deciding what and how much they put into a pram or trolley to push.
They also like to up-end push and pull toys for imaginary mending, and wheels can be spun at different speeds.
He enters Corwin's apartment house and sees Corwin pulling toys, electronic appliances, and many other things out of a garbage bag.
Mattel, the US company which makes Barbie dolls, has been forced to pull almost 20m toys this summer because of safety concerns.
"The apartment's not very witchy these days," Ms. Adler said in her huge living room overlooking the park and overflowing with stuffed animals and pull toys.