The classic Tinkertoy set included wooden spools with holes on all sides and sticks of varying lengths. This simple yet versatile system allowed kids to build everything from basic structures to complex machines, fostering creativity, spatial reasoning, and fine motor skills. While similar toys are still available today, collectors argue that nothing compares to the original Tinkertoys. That’s why vintage sets can sell for up to $100. Complete sets in their original packaging, especially those from the 1960s, can command even higher prices. The timeless appeal of Tinkertoys lies in their simplicity and the endless possibilities they offer, making them a beloved item for collectors and those looking to reconnect with their childhood.