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.
Build a model green house and 9 other green energy-related devices with this great kit!
This advanced physics kit is perfect for older children already versed in physics knowledge!
Use this awesome prism to teach about optics and light in the classroom setting!
Build your own windmill generator kit by recycling a plastic bottle!
Buy Newton's Cradle or balance balls here! This classic science desk toy that will keep you amused and teach you physics.
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.
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