Think you're a topological genius? Test yourself with the IQ Collection Wire Puzzles from the NeatoShop. These disentanglement puzzles are so much fun that we find it hard to ... well, extricate ourselves from playing them!
NEATOSHOP'S BLACK FRIDAY SALE
Save up to 25% off ALL T-shirts from the NeatoShop! Hurry - sale ends Nov 29, 2015.