50 Matchstick challenges & 50 lateral thinking puzzles – Unique Brain Teasing ChallengesAdd a fiery new twist to your brain training with this scorching mix of puzzles and teasers! Use the wooden sticks to try and master the 50 matchstick challenges shown on the cards. Then ignite your curiosity with an eclectic mix of number, word, and letter puzzles. Time to prove how much of a bright spark you really are!