An exact reproduction of one of Duncan’s most popular yo-yos from the early 1960’s, the ’Crossed Flags’ Tournament® yo-yo makes a perfect gift for any vintage toy collector or yo-yo player. Each Tournament comes packaged in a clear display box with a reproduction of the original 1955 Duncan Trick Book!
NOTE: This Yo-Yo comes in assorted colors: Blue, Green, Red, Yellow, Natural Wood. You may indicate a specific color in order comments section and we will try to accomodate it, but we can NOT guarantee a specific color.
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
Build a model green house and 9 other green energy-related devices with this great kit!
Build 14 assorted solar robots, some of which can travel over water!
Head into the lab for an in-depth investigation of genetics and DNA!
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.
Comprehensive collection of 30 fossils.
At xUmp.com you will find a large selection of scientific products carefully curated by real scientists and educators. We sell everything from educational toys, teacher supplies for science classroom, lab equipment, science toys, science fair supplies, classroom equipment, chemistry glassware, chemistry lab equipment, physics demos, electronics supplies, robots, science kits to geeky science gifts.