Take Off! Aviation Logic Puzzle science from crystal growing to a

from crystal growing to a baking-soda balloon

it's light

12 1/2" w x 7 1/4" h x 5" d

Engage your sense of touch

and many more -- as the Order of the Phoenix keeps watch over Harry Potter's fifth year at Hogwarts

Take Off! Aviation Logic Puzzle science from crystal growing to aSome puzzles keep kids busy. Take Off keeps every mind working. Pick a challenge card. Position the six aircraft on the board so every plane is in the right spot, pointed in the right direction, flying on course. Simple to understand genuinely difficult to solve. With 60 challenges across four escalating modes open runways, high altitude sky placement, limited visibility night flying, and radar only tracking Take Off grows with the thinker, getting