Optical Illusions Board Books Go hard and the rewards

Go hard and the rewards are big… but there's always the risk it won't come off

Perfect for hours of engaging fun at home or in the classroom

This quirky storage solution is shaped like a LEGO head and features plenty of space to store your bricks

Follow these beloved characters on their hilarious escapades and discover the joy of reading

Perfect for ages 6+ looking to add some flair to their creations

Optical Illusions Board Books Go hard and the rewardsAstonish yourself with optical illusions and amazing visual phenomena as you explore human perception and the physics of light. Experiment with light and the color spectrum by building a color wheel, a fiber optic peacock, diffraction glasses, and much more! Conduct over 35 experiments, guided by the 48 page, full color manual.