Four colored wooden "L" shaped pieces and one unified block are within this frame. Can you slide them around so that the block is inside the corners? Designed by Serhiy Grabarchuk. Measures 5-1/2" x 4" x 1". Solution included.
This stylish wooden box looks easy enough to open, but lift the brass hinge and you will find it's much more tricky than you think to access the chamber within. Made of walnut measuring 5" long x 3" wide x 1-3/4" tall. Solution included.
The Hercules tray brainteaser consists of colored metal pieces, identical in size and shape. There is only one way to fit them all into the 4-1/2" square wood tray. Designed by Jean Claude Constantin. Solution included.
Can you unlock the lock? The key to solving this tantalising brainteaser may not be the two keys attached. Once solved, try to reassemble to the starting position. Made of plated nickel alloy, designed by Vesa Timonen. Measures 1-3/4" x 1-3/4". Solution included.