YOU ARE LOOKING AT ONE OF THE EASIEST "CHILD ENTERTAINER" TOYS. THIS ONE IS USED, THOUGH WHAT GOOD TOY WOULDN'T BE. DON'T SETTLE FOR THE NEW PLASTIC VERSIONS. THIS ONE IS VINTAGE.. OLDER AND BETTER. IT STANDS NEARLY 11" TALL. THE STEM AND TOP KNOB ARE PLASTIC, IN PRIMARY YELLOW AND RED COLOR.. THE INSIDE SPINDLE IS METAL, AS IS THE BOTTOM OF THE TOY..RED WITH WHITE STARS. IT STANDS ON A PLASTIC FOOT. THOUGH IT STANDS A BIT CROOKED, IT WOR...KS PERFECTLY.. AS YOU PUSH THE PLUNGER UP AND DOWN, MAKING THE TOP SPIN FASTER, THE THREE COLOR WHEELS INSIDE THE CLEAR PLASTIC TOP BLEND TOGETHER, FORMING VARIOUS COLORS FOR THE DURATION OF THE SPIN... AND IF THAT ISN'T ENOUGH THERE IS A HUMMING SOUND THAT ADDS TO THE ENTERTAINMENT. SINCE THEY ARE STILL SELLING THESE TYPE TOYS, THEY MUST BE A GREAT BUY FOR THE YOUNG AND CURIOUS CHILD.. NO WIRES, NO BATTERIES, NO ELECTRICITY.. IMAGINE THAT. SIMPLICITY AT ITS BEST. AND EDUCATIONAL TOO. THERE IS NO BOX, OR BRAND ON THIS ONE. I FOUND A SIMILAR ONE, PLASTIC AND SMALLER IN SIZE BY SCHYLLING...THEIRS IS DESCRIBED AS: PRODUCT DETAIL