“ We LOVE this abacus. I got it last year on sale not knowing for sure if Dd would like it or not. Win for me because she loves it! This is her go to manipulative during math lessons, I have put a lot of different things in front of her to try to keep it interesting but she always goes back to this! ” --John16n33
“The kids play with this toy all the time, from my 5 y/o to my 1 y/o. They have had hours of fun. It's very nice with the other toys like it as well. ” --MamaShug
Excavate, restore, and grow! Emerald and Topaz Crystal Mines and Crystal Growing kit by Kristal Education delivers a slab of sediment. It's up to you, the rock hound, to dig, uncover, and identify the 15 gems and minerals hidden inside the mines. Then dissolve pre-mixed chemicals in water and within hours watch sparkling "topaz" and "emerald" crystals start to grow....
Discover the forces of nature that create crystals deep inside the earth. Grow a spectacular collection of 13 mineral specimens with diameters of 2" to 8"! Dazzling crystal sculptures and geodes look like rubies, emeralds, quartz and amber. Simply dissolve pre-mixed powders in hot water, sparkling crystals will start to grow in hours.