Each Loopet model is assembled with wooden pegs and rubber o-rings and results in a playful toy or fidget device that has many degrees of motion. Optionally, color them in with crayons or colored pencils before assembling. Shop All 36+ designs to create your own Zoo! No tools required. Fun for ages 6+, this educational STEM toy promotes spatial reasoning. Made in the USA of laser cut non-toxic birch wood.