This set of 3 wooden brain teaser puzzles features three different levels of difficulty (Simple, Dilemma, Unbelievable), letting kids and adults of all ages get in on the fun! The goal is simple: disassemble and then reassemble each wooden structure. Sounds easy, right? It’s harder than it looks! Test your mental mettle in 3 stages and conquer the conundrum! Each puzzle also works great as an office desk decoration or paperweight.
This caffeine molecule mug makes an excellent gift!
This classic desk toy will keep you amused!
Great reference card for chemistry and physics students.
Find the hidden crystals when you open your own geodes from this fun set.
An ancient toy featuring optical illusion and hands-on fun that never grows old!
Learn all about the science of light, optics and visual perception with this wonderful kit!