These have been one of my kids most played with present! We love magnetic tiles! Right now you can score this set of 100 Playmags 3D Magnetic Blocks for only $39.99! Just use coupon code XS204151 at checkou to save $10 off your purchase. Playmags 100-piece set includes Eight different shapes so that kids can now stretch their imagination to the next level. Encourages imaginative and creative play, and enhances math, geometry, and science skills. Creativity and critical thinking: high rise 3D towers are designed by kids who have developed into critical thinkers through creative play.