Forty unique cards provide great prompts and clues for parents and kids to talk about what to expect on a busy school day

a spring scale to measure forces

Snackers are 5-inch

The same fun as IQ Puzzler Pro

pegboard (large interlocking square)

True Genius Grecian Trick Lock Puzzle chemical-free Forty unique cards provide greatStep into ancient history with the True Genius Grecian Trick Lock Puzzle! Inspired by legendary inventor Theodorus of Samos, this brain teasing puzzle recreates a lock so ingenious that even master thieves of antiquity couldn't crack it. Crafted from zinc alloy and copper, this clever puzzle challenges your problem solving skills and makes a stunning display piece for puzzle enthusiasts and history buffs alike. From Project Genius, for ages 8 adult